42939584 has 14 divisors (see below), whose sum is σ = 85208364. Its totient is φ = 21469760.

The previous prime is 42939583. The next prime is 42939599. The reversal of 42939584 is 48593924.

It is not an unprimeable number, because it can be changed into a prime (42939583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335402 + ... + 335529.

Almost surely, 2^42939584 is an apocalyptic number.

It is an amenable number.

42939584 is a deficient number, since it is larger than the sum of its proper divisors (42268780).

42939584 is an equidigital number, since it uses as much as digits as its factorization.

42939584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670943 (or 670933 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 42939584 is about 6552.8302282296. The cubic root of 42939584 is about 350.1756506089.

The spelling of 42939584 in words is "forty-two million, nine hundred thirty-nine thousand, five hundred eighty-four".