388895 has 16 divisors (see below), whose sum is σ = 521472. Its totient is φ = 276480.

The previous prime is 388891. The next prime is 388897. The reversal of 388895 is 598883.

It is not a de Polignac number, because 388895 - 2² = 388891 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 388895.

It is not an unprimeable number, because it can be changed into a prime (388891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1919 + ... + 2111.

It is an arithmetic number, because the mean of its divisors is an integer number (32592).

2³⁸⁸⁸⁹⁵ is an apocalyptic number.

388895 is a deficient number, since it is larger than the sum of its proper divisors (132577).

388895 is a wasteful number, since it uses less digits than its factorization.

388895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242.

The product of its digits is 69120, while the sum is 41.

The square root of 388895 is about 623.6144642325. The cubic root of 388895 is about 72.9923680018.

The spelling of 388895 in words is "three hundred eighty-eight thousand, eight hundred ninety-five".