621460466 has 16 divisors (see below), whose sum is σ = 1076755680. Its totient is φ = 265865280.

The previous prime is 621460453. The next prime is 621460471. The reversal of 621460466 is 664064126.

It is a super-2 number, since 2×621460466² = 772426221601874312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830456 + ... + 831203.

It is an arithmetic number, because the mean of its divisors is an integer number (67297230).

Almost surely, 2^621460466 is an apocalyptic number.

621460466 is a deficient number, since it is larger than the sum of its proper divisors (455295214).

621460466 is a wasteful number, since it uses less digits than its factorization.

621460466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661689.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 621460466 is about 24929.1088087801. The cubic root of 621460466 is about 853.3709120753.

The spelling of 621460466 in words is "six hundred twenty-one million, four hundred sixty thousand, four hundred sixty-six".