421263332 has 48 divisors (see below), whose sum is σ = 894716928. Its totient is φ = 169420800.

The previous prime is 421263317. The next prime is 421263341. The reversal of 421263332 is 233362124.

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, 189773 + ... + 191979.

It is an arithmetic number, because the mean of its divisors is an integer number (18639936).

Almost surely, 2^421263332 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 421263332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447358464).

421263332 is an abundant number, since it is smaller than the sum of its proper divisors (473453596).

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

421263332 is a wasteful number, since it uses less digits than its factorization.

421263332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636 (or 2634 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

The square root of 421263332 is about 20524.7005337471. The cubic root of 421263332 is about 749.6373547536.

The spelling of 421263332 in words is "four hundred twenty-one million, two hundred sixty-three thousand, three hundred thirty-two".