423972408 has 32 divisors (see below), whose sum is σ = 1060511760. Its totient is φ = 141246720.

The previous prime is 423972371. The next prime is 423972443. The reversal of 423972408 is 804279324.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 54966 + ... + 62202.

Almost surely, 2^423972408 is an apocalyptic number.

It is an amenable number.

423972408 is an abundant number, since it is smaller than the sum of its proper divisors (636539352).

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

423972408 is a wasteful number, since it uses less digits than its factorization.

423972408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9687 (or 9683 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 423972408 is about 20590.5902780858. The cubic root of 423972408 is about 751.2408543529.

The spelling of 423972408 in words is "four hundred twenty-three million, nine hundred seventy-two thousand, four hundred eight".