621230414 has 16 divisors (see below), whose sum is σ = 1111269888. Its totient is φ = 254665752.

The previous prime is 621230387. The next prime is 621230429. The reversal of 621230414 is 414032126.

It is a super-2 number, since 2×621230414² = 771854454557222792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 621230414.

It is a congruent number.

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, 964322 + ... + 964965.

It is an arithmetic number, because the mean of its divisors is an integer number (69454368).

Almost surely, 2^621230414 is an apocalyptic number.

621230414 is a deficient number, since it is larger than the sum of its proper divisors (490039474).

621230414 is a wasteful number, since it uses less digits than its factorization.

621230414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929319.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 621230414 is about 24924.4942576575. The cubic root of 621230414 is about 853.2655989056.

The spelling of 621230414 in words is "six hundred twenty-one million, two hundred thirty thousand, four hundred fourteen".