421576104 has 64 divisors (see below), whose sum is σ = 1136520000. Its totient is φ = 129876480.

The previous prime is 421576097. The next prime is 421576109. The reversal of 421576104 is 401675124.

It is a super-2 number, since 2×421576104² = 355452822927637632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421576109) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7422 + ... + 29970.

It is an arithmetic number, because the mean of its divisors is an integer number (17758125).

Almost surely, 2^421576104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421576104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568260000).

421576104 is an abundant number, since it is smaller than the sum of its proper divisors (714943896).

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

421576104 is a wasteful number, since it uses less digits than its factorization.

421576104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22618 (or 22614 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 421576104 is about 20532.3185247064. The cubic root of 421576104 is about 749.8228345976.

The spelling of 421576104 in words is "four hundred twenty-one million, five hundred seventy-six thousand, one hundred four".