621346476 has 48 divisors (see below), whose sum is σ = 1511288576. Its totient is φ = 198500544.

The previous prime is 621346457. The next prime is 621346477. The reversal of 621346476 is 674643126.

It is a happy number.

621346476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (621346477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19305 + ... + 40191.

Almost surely, 2^621346476 is an apocalyptic number.

It is an amenable number.

621346476 is an abundant number, since it is smaller than the sum of its proper divisors (889942100).

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

621346476 is a wasteful number, since it uses less digits than its factorization.

621346476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20998 (or 20996 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 621346476 is about 24926.8224208382. The cubic root of 621346476 is about 853.3187329994.

The spelling of 621346476 in words is "six hundred twenty-one million, three hundred forty-six thousand, four hundred seventy-six".