621460632 has 32 divisors (see below), whose sum is σ = 1673164080. Its totient is φ = 191218560.

The previous prime is 621460603. The next prime is 621460643. The reversal of 621460632 is 236064126.

It is a self number, because there is not a number n which added to its sum of digits gives 621460632.

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 in 7 ways as a sum of consecutive naturals, for example, 995619 + ... + 996242.

Almost surely, 2^621460632 is an apocalyptic number.

It is an amenable number.

621460632 is an abundant number, since it is smaller than the sum of its proper divisors (1051703448).

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

621460632 is a wasteful number, since it uses less digits than its factorization.

621460632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991883 (or 1991879 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 621460632 is about 24929.1121382210. The cubic root of 621460632 is about 853.3709880574.

The spelling of 621460632 in words is "six hundred twenty-one million, four hundred sixty thousand, six hundred thirty-two".