385781204 has 24 divisors (see below), whose sum is σ = 716542848. Its totient is φ = 181109120.

The previous prime is 385781197. The next prime is 385781219. The reversal of 385781204 is 402187583.

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, 22727 + ... + 35889.

It is an arithmetic number, because the mean of its divisors is an integer number (29855952).

Almost surely, 2^385781204 is an apocalyptic number.

385781204 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

385781204 is a deficient number, since it is larger than the sum of its proper divisors (330761644).

385781204 is a wasteful number, since it uses less digits than its factorization.

385781204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13615 (or 13613 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 385781204 is about 19641.3137035179. The cubic root of 385781204 is about 727.9703450666.

The spelling of 385781204 in words is "three hundred eighty-five million, seven hundred eighty-one thousand, two hundred four".