620197976 has 16 divisors (see below), whose sum is σ = 1163840400. Its totient is φ = 309840544.

The previous prime is 620197957. The next prime is 620197979. The reversal of 620197976 is 679791026.

It is a self number, because there is not a number n which added to its sum of digits gives 620197976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620197979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21911 + ... + 41478.

It is an arithmetic number, because the mean of its divisors is an integer number (72740025).

Almost surely, 2^620197976 is an apocalyptic number.

It is an amenable number.

620197976 is a deficient number, since it is larger than the sum of its proper divisors (543642424).

620197976 is a wasteful number, since it uses less digits than its factorization.

620197976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64618 (or 64614 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 620197976 is about 24903.7743324180. The cubic root of 620197976 is about 852.7926491592.

The spelling of 620197976 in words is "six hundred twenty million, one hundred ninety-seven thousand, nine hundred seventy-six".