421332484 has 6 divisors (see below), whose sum is σ = 737331854. Its totient is φ = 210666240.

The previous prime is 421332481. The next prime is 421332529. The reversal of 421332484 is 484233124.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 342620100 + 78712384 = 18510^2 + 8872^2 .

It is a super-2 number, since 2×421332484² = 355042124147220512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421332481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52666557 + ... + 52666564.

Almost surely, 2^421332484 is an apocalyptic number.

It is an amenable number.

421332484 is a deficient number, since it is larger than the sum of its proper divisors (315999370).

421332484 is a wasteful number, since it uses less digits than its factorization.

421332484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105333125 (or 105333123 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 421332484 is about 20526.3850689789. The cubic root of 421332484 is about 749.6783711299.

The spelling of 421332484 in words is "four hundred twenty-one million, three hundred thirty-two thousand, four hundred eighty-four".