421983296 has 112 divisors (see below), whose sum is σ = 999744000. Its totient is φ = 176569344.

The previous prime is 421983251. The next prime is 421983301. The reversal of 421983296 is 692389124.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1031540 + ... + 1031948.

Almost surely, 2^421983296 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 421983296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499872000).

421983296 is an abundant number, since it is smaller than the sum of its proper divisors (577760704).

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

421983296 is an equidigital number, since it uses as much as digits as its factorization.

421983296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 465 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 421983296 is about 20542.2320111521. The cubic root of 421983296 is about 750.0641699169.

The spelling of 421983296 in words is "four hundred twenty-one million, nine hundred eighty-three thousand, two hundred ninety-six".