385038656 has 14 divisors (see below), whose sum is σ = 764061210. Its totient is φ = 192519296.

The previous prime is 385038623. The next prime is 385038673. The reversal of 385038656 is 656830583.

It can be written as a sum of positive squares in only one way, i.e., 303317056 + 81721600 = 17416^2 + 9040^2 .

It is a super-2 number, since 2×385038656² = 296509533228572672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3008051 + ... + 3008178.

Almost surely, 2^385038656 is an apocalyptic number.

It is an amenable number.

385038656 is a deficient number, since it is larger than the sum of its proper divisors (379022554).

385038656 is an equidigital number, since it uses as much as digits as its factorization.

385038656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6016241 (or 6016231 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 385038656 is about 19622.4018917155. The cubic root of 385038656 is about 727.5029816090.

The spelling of 385038656 in words is "three hundred eighty-five million, thirty-eight thousand, six hundred fifty-six".