398842052 has 12 divisors (see below), whose sum is σ = 797684160. Its totient is φ = 170932296.

The previous prime is 398842043. The next prime is 398842061. The reversal of 398842052 is 250248893.

It is an interprime number because it is at equal distance from previous prime (398842043) and next prime (398842061).

398842052 is an admirable number.

It is a super-3 number, since 3×398842052³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7122152 + ... + 7122207.

It is an arithmetic number, because the mean of its divisors is an integer number (66473680).

Almost surely, 2^398842052 is an apocalyptic number.

It is an amenable number.

398842052 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.

398842052 is a wasteful number, since it uses less digits than its factorization.

398842052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14244370 (or 14244368 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 398842052 is about 19971.0303189395. The cubic root of 398842052 is about 736.0946264008.

The spelling of 398842052 in words is "three hundred ninety-eight million, eight hundred forty-two thousand, fifty-two".