1384620 has 48 divisors (see below), whose sum is σ = 3967488. Its totient is φ = 360640.

The previous prime is 1384619. The next prime is 1384631. The reversal of 1384620 is 264831.

It is a happy number.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2575 + ... + 3065.

It is an arithmetic number, because the mean of its divisors is an integer number (82656).

2^1384620 is an apocalyptic number.

1384620 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 1384620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1983744).

1384620 is an abundant number, since it is smaller than the sum of its proper divisors (2582868).

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

1384620 is a wasteful number, since it uses less digits than its factorization.

1384620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1384620 is about 1176.6987719888. The cubic root of 1384620 is about 111.4577316376.

The spelling of 1384620 in words is "one million, three hundred eighty-four thousand, six hundred twenty".