421276332 has 24 divisors (see below), whose sum is σ = 1005839296. Its totient is φ = 137159568.

The previous prime is 421276319. The next prime is 421276333. The reversal of 421276332 is 233672124.

It is a self number, because there is not a number n which added to its sum of digits gives 421276332.

It is not an unprimeable number, because it can be changed into a prime (421276333) 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 7 ways as a sum of consecutive naturals, for example, 407698 + ... + 408729.

Almost surely, 2^421276332 is an apocalyptic number.

It is an amenable number.

421276332 is an abundant number, since it is smaller than the sum of its proper divisors (584562964).

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

421276332 is a wasteful number, since it uses less digits than its factorization.

421276332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816477 (or 816475 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The square root of 421276332 is about 20525.0172228917. The cubic root of 421276332 is about 749.6450658333.

The spelling of 421276332 in words is "four hundred twenty-one million, two hundred seventy-six thousand, three hundred thirty-two".