388995 has 8 divisors (see below), whose sum is σ = 622416. Its totient is φ = 207456.

The previous prime is 388991. The next prime is 389003. The reversal of 388995 is 599883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 388995 - 2² = 388991 is a prime.

It is a super-2 number, since 2×388995² = 302634220050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (388991) 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, 12952 + ... + 12981.

It is an arithmetic number, because the mean of its divisors is an integer number (77802).

2³⁸⁸⁹⁹⁵ is an apocalyptic number.

388995 is a deficient number, since it is larger than the sum of its proper divisors (233421).

388995 is a wasteful number, since it uses less digits than its factorization.

388995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25941.

The product of its digits is 77760, while the sum is 42.

The square root of 388995 is about 623.6946368216. The cubic root of 388995 is about 72.9986238560.

The spelling of 388995 in words is "three hundred eighty-eight thousand, nine hundred ninety-five".