388085357 has 12 divisors (see below), whose sum is σ = 430728480. Its totient is φ = 349368360.

The previous prime is 388085353. The next prime is 388085419. The reversal of 388085357 is 753580883.

It is not a de Polignac number, because 388085357 - 2² = 388085353 is a prime.

It is a super-2 number, since 2×388085357² = 301220488635634898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388085353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3107 + ... + 28032.

It is an arithmetic number, because the mean of its divisors is an integer number (35894040).

Almost surely, 2^388085357 is an apocalyptic number.

It is an amenable number.

388085357 is a deficient number, since it is larger than the sum of its proper divisors (42643123).

388085357 is a wasteful number, since it uses less digits than its factorization.

388085357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31264 (or 31253 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 47.

The square root of 388085357 is about 19699.8821570079. The cubic root of 388085357 is about 729.4167838177.

The spelling of 388085357 in words is "three hundred eighty-eight million, eighty-five thousand, three hundred fifty-seven".