385256304 has 40 divisors (see below), whose sum is σ = 1105829520. Its totient is φ = 128418624.

The previous prime is 385256299. The next prime is 385256341. The reversal of 385256304 is 403652583.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445467 + ... + 446330.

It is an arithmetic number, because the mean of its divisors is an integer number (27645738).

Almost surely, 2^385256304 is an apocalyptic number.

It is an amenable number.

385256304 is an abundant number, since it is smaller than the sum of its proper divisors (720573216).

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

385256304 is a wasteful number, since it uses less digits than its factorization.

385256304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891814 (or 891802 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 385256304 is about 19627.9470143976. The cubic root of 385256304 is about 727.6400325616.

The spelling of 385256304 in words is "three hundred eighty-five million, two hundred fifty-six thousand, three hundred four".