620486808 has 32 divisors (see below), whose sum is σ = 1642466160. Its totient is φ = 194662400.

The previous prime is 620486803. The next prime is 620486827. The reversal of 620486808 is 808684026.

620486808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 620486808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620486803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759993 + ... + 760808.

Almost surely, 2^620486808 is an apocalyptic number.

620486808 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

620486808 is an abundant number, since it is smaller than the sum of its proper divisors (1021979352).

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

620486808 is a wasteful number, since it uses less digits than its factorization.

620486808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520827 (or 1520823 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 620486808 is about 24909.5726177709. The cubic root of 620486808 is about 852.9250131188.

The spelling of 620486808 in words is "six hundred twenty million, four hundred eighty-six thousand, eight hundred eight".