421716152 has 32 divisors (see below), whose sum is σ = 928957680. Its totient is φ = 176943360.

The previous prime is 421716149. The next prime is 421716193. The reversal of 421716152 is 251617124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183173 + ... + 185460.

Almost surely, 2^421716152 is an apocalyptic number.

It is an amenable number.

421716152 is an abundant number, since it is smaller than the sum of its proper divisors (507241528).

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

421716152 is a wasteful number, since it uses less digits than its factorization.

421716152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368663 (or 368659 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 421716152 is about 20535.7286698086. The cubic root of 421716152 is about 749.9058560349.

The spelling of 421716152 in words is "four hundred twenty-one million, seven hundred sixteen thousand, one hundred fifty-two".