385193856 has 32 divisors (see below), whose sum is σ = 1023172200. Its totient is φ = 128397824.

The previous prime is 385193843. The next prime is 385193873. The reversal of 385193856 is 658391583.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 501171 + ... + 501938.

Almost surely, 2^385193856 is an apocalyptic number.

It is an amenable number.

385193856 is an abundant number, since it is smaller than the sum of its proper divisors (637978344).

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

385193856 is a wasteful number, since it uses less digits than its factorization.

385193856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003126 (or 1003114 counting only the distinct ones).

The product of its digits is 777600, while the sum is 48.

The square root of 385193856 is about 19626.3561569640. The cubic root of 385193856 is about 727.6007149094.

The spelling of 385193856 in words is "three hundred eighty-five million, one hundred ninety-three thousand, eight hundred fifty-six".