621100014 has 8 divisors (see below), whose sum is σ = 1242200040. Its totient is φ = 207033336.

The previous prime is 621100013. The next prime is 621100033. The reversal of 621100014 is 410001126.

It is a sphenic number, since it is the product of 3 distinct primes.

621100014 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 621099966 and 621100002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621100013) 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, 51758329 + ... + 51758340.

It is an arithmetic number, because the mean of its divisors is an integer number (155275005).

Almost surely, 2^621100014 is an apocalyptic number.

621100014 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

621100014 is a wasteful number, since it uses less digits than its factorization.

621100014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103516674.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 621100014 is about 24921.8782197490. The cubic root of 621100014 is about 853.2058928676.

The spelling of 621100014 in words is "six hundred twenty-one million, one hundred thousand, fourteen".