385907904 has 84 divisors (see below), whose sum is σ = 1117700584. Its totient is φ = 127291392.

The previous prime is 385907897. The next prime is 385907923. The reversal of 385907904 is 409709583.

It is a self number, because there is not a number n which added to its sum of digits gives 385907904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52419 + ... + 59325.

Almost surely, 2^385907904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385907904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558850292).

385907904 is an abundant number, since it is smaller than the sum of its proper divisors (731792680).

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

385907904 is a wasteful number, since it uses less digits than its factorization.

385907904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7022 (or 7009 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 385907904 is about 19644.5387830817. The cubic root of 385907904 is about 728.0500307765.

The spelling of 385907904 in words is "three hundred eighty-five million, nine hundred seven thousand, nine hundred four".