620830808 has 32 divisors (see below), whose sum is σ = 1254702960. Its totient is φ = 286285440.

The previous prime is 620830759. The next prime is 620830813. The reversal of 620830808 is 808038026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171578 + ... + 175158.

Almost surely, 2^620830808 is an apocalyptic number.

It is an amenable number.

620830808 is an abundant number, since it is smaller than the sum of its proper divisors (633872152).

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

620830808 is a wasteful number, since it uses less digits than its factorization.

620830808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5267 (or 5263 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 620830808 is about 24916.4766369565. The cubic root of 620830808 is about 853.0826055100.

The spelling of 620830808 in words is "six hundred twenty million, eight hundred thirty thousand, eight hundred eight".