1484820 has 72 divisors (see below), whose sum is σ = 4606056. Its totient is φ = 387072.

The previous prime is 1484803. The next prime is 1484827. The reversal of 1484820 is 284841.

It can be written as a sum of positive squares in 4 ways, for example, as 1296 + 1483524 = 36^2 + 1218^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1484827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13084 + ... + 13196.

It is an arithmetic number, because the mean of its divisors is an integer number (63973).

2^1484820 is an apocalyptic number.

1484820 is a gapful number since it is divisible by the number (10) 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 1484820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2303028).

1484820 is an abundant number, since it is smaller than the sum of its proper divisors (3121236).

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

1484820 is a wasteful number, since it uses less digits than its factorization.

1484820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 1484820 is about 1218.5319035626. The cubic root of 1484820 is about 114.0839639972.

It can be divided in two parts, 1484 and 820, that added together give a square (2304 = 48²).

The spelling of 1484820 in words is "one million, four hundred eighty-four thousand, eight hundred twenty".