404931852 has 48 divisors (see below), whose sum is σ = 1130582880. Its totient is φ = 124593984.

The previous prime is 404931799. The next prime is 404931869. The reversal of 404931852 is 258139404.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 142803 + ... + 145610.

It is an arithmetic number, because the mean of its divisors is an integer number (23553810).

Almost surely, 2^404931852 is an apocalyptic number.

It is an amenable number.

404931852 is an abundant number, since it is smaller than the sum of its proper divisors (725651028).

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

404931852 is a wasteful number, since it uses less digits than its factorization.

404931852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288439 (or 288431 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 404931852 is about 20122.9185755943. The cubic root of 404931852 is about 739.8221218428.

The spelling of 404931852 in words is "four hundred four million, nine hundred thirty-one thousand, eight hundred fifty-two".