621160432 has 20 divisors (see below), whose sum is σ = 1205176336. Its totient is φ = 310147200.

The previous prime is 621160427. The next prime is 621160447. The reversal of 621160432 is 234061126.

It is a junction number, because it is equal to n+sod(n) for n = 621160397 and 621160406.

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 3 ways as a sum of consecutive naturals, for example, 15069 + ... + 38332.

Almost surely, 2^621160432 is an apocalyptic number.

It is an amenable number.

621160432 is a deficient number, since it is larger than the sum of its proper divisors (584015904).

621160432 is a wasteful number, since it uses less digits than its factorization.

621160432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54136 (or 54130 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 621160432 is about 24923.0903380781. The cubic root of 621160432 is about 853.2335573988.

The spelling of 621160432 in words is "six hundred twenty-one million, one hundred sixty thousand, four hundred thirty-two".