620676846 has 24 divisors (see below), whose sum is σ = 1345518720. Its totient is φ = 206781696.

The previous prime is 620676841. The next prime is 620676853. The reversal of 620676846 is 648676026.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620676841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29875 + ... + 46193.

It is an arithmetic number, because the mean of its divisors is an integer number (56063280).

Almost surely, 2^620676846 is an apocalyptic number.

620676846 is an abundant number, since it is smaller than the sum of its proper divisors (724841874).

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

620676846 is a wasteful number, since it uses less digits than its factorization.

620676846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18440 (or 18437 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 620676846 is about 24913.3868833605. The cubic root of 620676846 is about 853.0120800350.

The spelling of 620676846 in words is "six hundred twenty million, six hundred seventy-six thousand, eight hundred forty-six".