621924152 has 16 divisors (see below), whose sum is σ = 1168103160. Its totient is φ = 310429984.

The previous prime is 621924151. The next prime is 621924211. The reversal of 621924152 is 251429126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621924151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61523 + ... + 70914.

Almost surely, 2^621924152 is an apocalyptic number.

It is an amenable number.

621924152 is a deficient number, since it is larger than the sum of its proper divisors (546179008).

621924152 is a wasteful number, since it uses less digits than its factorization.

621924152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133030 (or 133026 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 621924152 is about 24938.4071664571. The cubic root of 621924152 is about 853.5830992239.

The spelling of 621924152 in words is "six hundred twenty-one million, nine hundred twenty-four thousand, one hundred fifty-two".