620460863 has 8 divisors (see below), whose sum is σ = 677255040. Its totient is φ = 563731480.

The previous prime is 620460859. The next prime is 620460871. The reversal of 620460863 is 368064026.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 620460863 - 2² = 620460859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620460853) 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, 5048 + ... + 35586.

It is an arithmetic number, because the mean of its divisors is an integer number (84656880).

Almost surely, 2^620460863 is an apocalyptic number.

620460863 is a deficient number, since it is larger than the sum of its proper divisors (56794177).

620460863 is a wasteful number, since it uses less digits than its factorization.

620460863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32397.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 620460863 is about 24909.0518286024. The cubic root of 620460863 is about 852.9131249005.

The spelling of 620460863 in words is "six hundred twenty million, four hundred sixty thousand, eight hundred sixty-three".