621059952 has 40 divisors (see below), whose sum is σ = 1656163840. Its totient is φ = 200341440.

The previous prime is 621059939. The next prime is 621059981. The reversal of 621059952 is 259950126.

It is a self number, because there is not a number n which added to its sum of digits gives 621059952.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207202 + ... + 210177.

It is an arithmetic number, because the mean of its divisors is an integer number (41404096).

Almost surely, 2^621059952 is an apocalyptic number.

621059952 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

621059952 is an abundant number, since it is smaller than the sum of its proper divisors (1035103888).

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

621059952 is a wasteful number, since it uses less digits than its factorization.

621059952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417421 (or 417415 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 621059952 is about 24921.0744551675. The cubic root of 621059952 is about 853.1875480661.

The spelling of 621059952 in words is "six hundred twenty-one million, fifty-nine thousand, nine hundred fifty-two".