388157 has 12 divisors (see below), whose sum is σ = 490848. Its totient is φ = 298200.

The previous prime is 388133. The next prime is 388159. The reversal of 388157 is 751883.

It is not a de Polignac number, because 388157 - 2¹² = 384061 is a prime.

It is an Ulam number.

It is a Duffinian number.

Its product of digits (6720) is a multiple of the sum of its prime factors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388159) 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, 5432 + ... + 5502.

It is an arithmetic number, because the mean of its divisors is an integer number (40904).

2³⁸⁸¹⁵⁷ is an apocalyptic number.

It is an amenable number.

388157 is a deficient number, since it is larger than the sum of its proper divisors (102691).

388157 is an equidigital number, since it uses as much as digits as its factorization.

388157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 89 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 388157 is about 623.0224715048. The cubic root of 388157 is about 72.9461666033.

It can be divided in two parts, 388 and 157, that added together give a palindrome (545).

The spelling of 388157 in words is "three hundred eighty-eight thousand, one hundred fifty-seven".