620958904 has 16 divisors (see below), whose sum is σ = 1204446600. Its totient is φ = 299773152.

The previous prime is 620958857. The next prime is 620958953. The reversal of 620958904 is 409859026.

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 3 ways as a sum of consecutive naturals, for example, 1338042 + ... + 1338505.

Almost surely, 2^620958904 is an apocalyptic number.

It is an amenable number.

620958904 is a deficient number, since it is larger than the sum of its proper divisors (583487696).

620958904 is a wasteful number, since it uses less digits than its factorization.

620958904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676582 (or 2676578 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 620958904 is about 24919.0470122756. The cubic root of 620958904 is about 853.1412736438.

Subtracting from 620958904 its reverse (409859026), we obtain a triangular number (211099878 = T₂₀₅₄₇).

The spelling of 620958904 in words is "six hundred twenty million, nine hundred fifty-eight thousand, nine hundred four".