388975 has 6 divisors (see below), whose sum is σ = 482360. Its totient is φ = 311160.

The previous prime is 388963. The next prime is 388991. The reversal of 388975 is 579883.

It is not a de Polignac number, because 388975 - 2¹¹ = 386927 is a prime.

388975 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7755 + ... + 7804.

2³⁸⁸⁹⁷⁵ is an apocalyptic number.

388975 is a deficient number, since it is larger than the sum of its proper divisors (93385).

388975 is a wasteful number, since it uses less digits than its factorization.

388975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15569 (or 15564 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 388975 is about 623.6786031282. The cubic root of 388975 is about 72.9973727709.

The spelling of 388975 in words is "three hundred eighty-eight thousand, nine hundred seventy-five".