388590 has 16 divisors (see below), whose sum is σ = 932688. Its totient is φ = 103616.

The previous prime is 388573. The next prime is 388621. The reversal of 388590 is 95883.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6447 + ... + 6506.

It is an arithmetic number, because the mean of its divisors is an integer number (58293).

2³⁸⁸⁵⁹⁰ is an apocalyptic number.

388590 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

388590 is an abundant number, since it is smaller than the sum of its proper divisors (544098).

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

388590 is a wasteful number, since it uses less digits than its factorization.

388590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12963.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 388590 is about 623.3698741518. The cubic root of 388590 is about 72.9732810205.

The spelling of 388590 in words is "three hundred eighty-eight thousand, five hundred ninety".