621634014 has 20 divisors (see below), whose sum is σ = 1392921024. Its totient is φ = 207211284.

The previous prime is 621633977. The next prime is 621634031. The reversal of 621634014 is 410436126.

621634014 is a `hidden beast` number, since 6 + 21 + 634 + 0 + 1 + 4 = 666.

621634014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1918462 + ... + 1918785.

Almost surely, 2^621634014 is an apocalyptic number.

621634014 is an abundant number, since it is smaller than the sum of its proper divisors (771287010).

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

621634014 is a wasteful number, since it uses less digits than its factorization.

621634014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3837261 (or 3837252 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 621634014 is about 24932.5893962099. The cubic root of 621634014 is about 853.4503416551.

The spelling of 621634014 in words is "six hundred twenty-one million, six hundred thirty-four thousand, fourteen".