388224980 has 48 divisors (see below), whose sum is σ = 957809664. Its totient is φ = 130312320.

The previous prime is 388224953. The next prime is 388225007. The reversal of 388224980 is 89422883.

It is an interprime number because it is at equal distance from previous prime (388224953) and next prime (388225007).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65012 + ... + 70731.

It is an arithmetic number, because the mean of its divisors is an integer number (19954368).

Almost surely, 2^388224980 is an apocalyptic number.

It is an amenable number.

388224980 is an abundant number, since it is smaller than the sum of its proper divisors (569584684).

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

388224980 is a wasteful number, since it uses less digits than its factorization.

388224980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135776 (or 135774 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 388224980 is about 19703.4255904906. The cubic root of 388224980 is about 729.5042483807.

The spelling of 388224980 in words is "three hundred eighty-eight million, two hundred twenty-four thousand, nine hundred eighty".