620825584 has 20 divisors (see below), whose sum is σ = 1273605984. Its totient is φ = 292153088.

The previous prime is 620825563. The next prime is 620825587. The reversal of 620825584 is 485528026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620825587) by changing a digit.

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, 1140952 + ... + 1141495.

Almost surely, 2^620825584 is an apocalyptic number.

It is an amenable number.

620825584 is an abundant number, since it is smaller than the sum of its proper divisors (652780400).

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

620825584 is a wasteful number, since it uses less digits than its factorization.

620825584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282472 (or 2282466 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 620825584 is about 24916.3718065051. The cubic root of 620825584 is about 853.0802127400.

The spelling of 620825584 in words is "six hundred twenty million, eight hundred twenty-five thousand, five hundred eighty-four".