621460312 has 16 divisors (see below), whose sum is σ = 1271169000. Its totient is φ = 282481920.

The previous prime is 621460297. The next prime is 621460319. The reversal of 621460312 is 213064126.

It is a super-2 number, since 2×621460312² = 772425838782274688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621460319) 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, 3530937 + ... + 3531112.

Almost surely, 2^621460312 is an apocalyptic number.

It is an amenable number.

621460312 is an abundant number, since it is smaller than the sum of its proper divisors (649708688).

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

621460312 is a wasteful number, since it uses less digits than its factorization.

621460312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7062066 (or 7062062 counting only the distinct ones).

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

The square root of 621460312 is about 24929.1057200213. The cubic root of 621460312 is about 853.3708415859.

The spelling of 621460312 in words is "six hundred twenty-one million, four hundred sixty thousand, three hundred twelve".