620238872 has 32 divisors (see below), whose sum is σ = 1270587600. Its totient is φ = 281500800.

The previous prime is 620238859. The next prime is 620238919. The reversal of 620238872 is 278832026.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57422 + ... + 67362.

Almost surely, 2^620238872 is an apocalyptic number.

It is an amenable number.

620238872 is an abundant number, since it is smaller than the sum of its proper divisors (650348728).

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

620238872 is a wasteful number, since it uses less digits than its factorization.

620238872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10667 (or 10663 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 620238872 is about 24904.5953992431. The cubic root of 620238872 is about 852.8113931964.

The spelling of 620238872 in words is "six hundred twenty million, two hundred thirty-eight thousand, eight hundred seventy-two".