385644708 has 18 divisors (see below), whose sum is σ = 974824214. Its totient is φ = 128548224.

The previous prime is 385644689. The next prime is 385644731. The reversal of 385644708 is 807446583.

It can be written as a sum of positive squares in only one way, i.e., 296115264 + 89529444 = 17208^2 + 9462^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5356141 + ... + 5356212.

Almost surely, 2^385644708 is an apocalyptic number.

It is an amenable number.

385644708 is an abundant number, since it is smaller than the sum of its proper divisors (589179506).

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

385644708 is a wasteful number, since it uses less digits than its factorization.

385644708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10712363 (or 10712358 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 385644708 is about 19637.8386794474. The cubic root of 385644708 is about 727.8844788118.

The spelling of 385644708 in words is "three hundred eighty-five million, six hundred forty-four thousand, seven hundred eight".