388973622 has 16 divisors (see below), whose sum is σ = 779808960. Its totient is φ = 129347592.

The previous prime is 388973603. The next prime is 388973701. The reversal of 388973622 is 226379883.

It is a happy number.

It is a super-2 number, since 2×388973622² = 302600957223597768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74848 + ... + 79875.

It is an arithmetic number, because the mean of its divisors is an integer number (48738060).

Almost surely, 2^388973622 is an apocalyptic number.

388973622 is an abundant number, since it is smaller than the sum of its proper divisors (390835338).

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

388973622 is a wasteful number, since it uses less digits than its factorization.

388973622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155147.

The product of its digits is 870912, while the sum is 48.

The square root of 388973622 is about 19722.4142031345. The cubic root of 388973622 is about 729.9728656956.

The spelling of 388973622 in words is "three hundred eighty-eight million, nine hundred seventy-three thousand, six hundred twenty-two".