621252344 has 16 divisors (see below), whose sum is σ = 1178883720. Its totient is φ = 306883360.

The previous prime is 621252323. The next prime is 621252353. The reversal of 621252344 is 443252126.

621252344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467147 + ... + 468474.

Almost surely, 2^621252344 is an apocalyptic number.

It is an amenable number.

621252344 is a deficient number, since it is larger than the sum of its proper divisors (557631376).

621252344 is a wasteful number, since it uses less digits than its factorization.

621252344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935710 (or 935706 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 621252344 is about 24924.9341824607. The cubic root of 621252344 is about 853.2756391386.

The spelling of 621252344 in words is "six hundred twenty-one million, two hundred fifty-two thousand, three hundred forty-four".