621683796 has 48 divisors (see below), whose sum is σ = 1509294080. Its totient is φ = 198948960.

The previous prime is 621683791. The next prime is 621683801. The reversal of 621683796 is 697386126.

It is an interprime number because it is at equal distance from previous prime (621683791) and next prime (621683801).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621683791) 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 15 ways as a sum of consecutive naturals, for example, 40665 + ... + 53823.

Almost surely, 2^621683796 is an apocalyptic number.

It is an amenable number.

621683796 is an abundant number, since it is smaller than the sum of its proper divisors (887610284).

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

621683796 is a wasteful number, since it uses less digits than its factorization.

621683796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13324 (or 13322 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 621683796 is about 24933.5877081498. The cubic root of 621683796 is about 853.4731231899.

The spelling of 621683796 in words is "six hundred twenty-one million, six hundred eighty-three thousand, seven hundred ninety-six".