388086 has 16 divisors (see below), whose sum is σ = 787968. Its totient is φ = 127400.

The previous prime is 388081. The next prime is 388099. The reversal of 388086 is 680883.

It is a super-2 number, since 2×388086² = 301221486792, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388081) 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, 30 + ... + 881.

It is an arithmetic number, because the mean of its divisors is an integer number (49248).

2³⁸⁸⁰⁸⁶ is an apocalyptic number.

388086 is an abundant number, since it is smaller than the sum of its proper divisors (399882).

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

388086 is a wasteful number, since it uses less digits than its factorization.

388086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 388086 is about 622.9654886107. The cubic root of 388086 is about 72.9417186663.

The spelling of 388086 in words is "three hundred eighty-eight thousand, eighty-six".