388270 has 16 divisors (see below), whose sum is σ = 716688. Its totient is φ = 151360.

The previous prime is 388259. The next prime is 388273. The reversal of 388270 is 72883.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64 + ... + 883.

It is an arithmetic number, because the mean of its divisors is an integer number (44793).

2³⁸⁸²⁷⁰ is an apocalyptic number.

388270 is a deficient number, since it is larger than the sum of its proper divisors (328418).

388270 is a wasteful number, since it uses less digits than its factorization.

388270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 388270 is about 623.1131518432. The cubic root of 388270 is about 72.9532445958.

The spelling of 388270 in words is "three hundred eighty-eight thousand, two hundred seventy".