388924 has 6 divisors (see below), whose sum is σ = 680624. Its totient is φ = 194460.

The previous prime is 388903. The next prime is 388931. The reversal of 388924 is 429883.

It is a d-powerful number, because it can be written as 3⁷ + 8 + 9⁵ + 8⁵ + 2¹⁵ + 4⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 388924.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48612 + ... + 48619.

2³⁸⁸⁹²⁴ is an apocalyptic number.

It is an amenable number.

388924 is a deficient number, since it is larger than the sum of its proper divisors (291700).

388924 is a wasteful number, since it uses less digits than its factorization.

388924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97235 (or 97233 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 388924 is about 623.6377153444. The cubic root of 388924 is about 72.9941823099.

The spelling of 388924 in words is "three hundred eighty-eight thousand, nine hundred twenty-four".