385392856 has 32 divisors (see below), whose sum is σ = 781410240. Its totient is φ = 177499648.

The previous prime is 385392841. The next prime is 385392859. The reversal of 385392856 is 658293583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385392859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23755 + ... + 36538.

It is an arithmetic number, because the mean of its divisors is an integer number (24419070).

Almost surely, 2^385392856 is an apocalyptic number.

It is an amenable number.

385392856 is an abundant number, since it is smaller than the sum of its proper divisors (396017384).

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

385392856 is a wasteful number, since it uses less digits than its factorization.

385392856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60363 (or 60359 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 49.

The square root of 385392856 is about 19631.4252157096. The cubic root of 385392856 is about 727.7259917562.

The spelling of 385392856 in words is "three hundred eighty-five million, three hundred ninety-two thousand, eight hundred fifty-six".