621323486 has 16 divisors (see below), whose sum is σ = 1066522464. Its totient is φ = 265932384.

The previous prime is 621323473. The next prime is 621323519. The reversal of 621323486 is 684323126.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17885 + ... + 39528.

It is an arithmetic number, because the mean of its divisors is an integer number (66657654).

Almost surely, 2^621323486 is an apocalyptic number.

621323486 is a deficient number, since it is larger than the sum of its proper divisors (445198978).

621323486 is a wasteful number, since it uses less digits than its factorization.

621323486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58195.

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

The square root of 621323486 is about 24926.3612667393. The cubic root of 621323486 is about 853.3082085227.

The spelling of 621323486 in words is "six hundred twenty-one million, three hundred twenty-three thousand, four hundred eighty-six".