620809896 has 32 divisors (see below), whose sum is σ = 1773743040. Its totient is φ = 177374208.

The previous prime is 620809867. The next prime is 620809913. The reversal of 620809896 is 698908026.

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, 1847481 + ... + 1847816.

It is an arithmetic number, because the mean of its divisors is an integer number (55429470).

Almost surely, 2^620809896 is an apocalyptic number.

It is an amenable number.

620809896 is an abundant number, since it is smaller than the sum of its proper divisors (1152933144).

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

620809896 is a wasteful number, since it uses less digits than its factorization.

620809896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695313 (or 3695309 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 620809896 is about 24916.0569914262. The cubic root of 620809896 is about 853.0730270207.

The spelling of 620809896 in words is "six hundred twenty million, eight hundred nine thousand, eight hundred ninety-six".