423689982 has 32 divisors (see below), whose sum is σ = 869539104. Its totient is φ = 137548800.

The previous prime is 423689939. The next prime is 423690019. The reversal of 423689982 is 289986324.

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, 194982 + ... + 197142.

It is an arithmetic number, because the mean of its divisors is an integer number (27173097).

Almost surely, 2^423689982 is an apocalyptic number.

423689982 is an abundant number, since it is smaller than the sum of its proper divisors (445849122).

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

423689982 is a wasteful number, since it uses less digits than its factorization.

423689982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004.

The product of its digits is 1492992, while the sum is 51.

The square root of 423689982 is about 20583.7310029062. The cubic root of 423689982 is about 751.0740061691.

The spelling of 423689982 in words is "four hundred twenty-three million, six hundred eighty-nine thousand, nine hundred eighty-two".