621040314 has 32 divisors (see below), whose sum is σ = 1283603904. Its totient is φ = 200188800.

The previous prime is 621040283. The next prime is 621040331. The reversal of 621040314 is 413040126.

It is a super-2 number, since 2×621040314² = 771382143226437192, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14142 + ... + 37974.

It is an arithmetic number, because the mean of its divisors is an integer number (40112622).

Almost surely, 2^621040314 is an apocalyptic number.

621040314 is an abundant number, since it is smaller than the sum of its proper divisors (662563590).

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

621040314 is a wasteful number, since it uses less digits than its factorization.

621040314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23982.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 621040314 is about 24920.6804481740. The cubic root of 621040314 is about 853.1785553359.

The spelling of 621040314 in words is "six hundred twenty-one million, forty thousand, three hundred fourteen".