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1484 = 22753

1484 has 12 divisors (see below), whose sum is σ = 3024. Its totient is φ = 624.

The previous prime is 1483. The next prime is 1487. The reversal of 1484 is 4841.

1484 = T7 + T8 + ... + T20.

It is a happy number.

1484 is an admirable number.

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (128) is a multiple of the sum of its prime factors (64).

It is a plaindrome in base 11, base 15 and base 16.

It is a nialpdrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2 + ... + 54.

It is an arithmetic number, because the mean of its divisors is an integer number (252).

1484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1512).

1484 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1484 is a wasteful number, since it uses less digits than its factorization.

1484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 62 counting only the distinct ones).

The product of its digits is 128, while the sum is 17.

The square root of 1484 is about 38.5227205685. The cubic root of 1484 is about 11.4062958965.

It can be divided in two parts, 14 and 84, that multiplied together give a triangular number (1176 = T48).

The spelling of 1484 in words is "one thousand, four hundred eighty-four".

Divisors: 1 2 4 7 14 28 53 106 212 371 742 1484