420984432 has 80 divisors (see below), whose sum is σ = 1318248960. Its totient is φ = 127569600.

The previous prime is 420984427. The next prime is 420984449. The reversal of 420984432 is 234489024.

420984432 is a `hidden beast` number, since 4 + 209 + 8 + 443 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 39544 + ... + 49047.

It is an arithmetic number, because the mean of its divisors is an integer number (16478112).

Almost surely, 2^420984432 is an apocalyptic number.

It is an amenable number.

420984432 is an abundant number, since it is smaller than the sum of its proper divisors (897264528).

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

420984432 is a wasteful number, since it uses less digits than its factorization.

420984432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88619 (or 88607 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 420984432 is about 20517.9051562288. The cubic root of 420984432 is about 749.4718842122.

The spelling of 420984432 in words is "four hundred twenty million, nine hundred eighty-four thousand, four hundred thirty-two".