42590984 has 32 divisors (see below), whose sum is σ = 86533920. Its totient is φ = 19574016.

The previous prime is 42590981. The next prime is 42591011. The reversal of 42590984 is 48909524.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (42590981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207 + ... + 9489.

It is an arithmetic number, because the mean of its divisors is an integer number (2704185).

Almost surely, 2^42590984 is an apocalyptic number.

It is an amenable number.

42590984 is an abundant number, since it is smaller than the sum of its proper divisors (43942936).

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

42590984 is a wasteful number, since it uses less digits than its factorization.

42590984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7349 (or 7345 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 42590984 is about 6526.1768287413. The cubic root of 42590984 is about 349.2254545523.

The spelling of 42590984 in words is "forty-two million, five hundred ninety thousand, nine hundred eighty-four".