42939324 has 36 divisors (see below), whose sum is σ = 109334680. Its totient is φ = 14208480.

The previous prime is 42939317. The next prime is 42939349. The reversal of 42939324 is 42393924.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 714 + ... + 9294.

Almost surely, 2^42939324 is an apocalyptic number.

It is an amenable number.

42939324 is an abundant number, since it is smaller than the sum of its proper divisors (66395356).

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

42939324 is a wasteful number, since it uses less digits than its factorization.

42939324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8730 (or 8725 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 42939324 is about 6552.8103894436. The cubic root of 42939324 is about 350.1749438341.

The spelling of 42939324 in words is "forty-two million, nine hundred thirty-nine thousand, three hundred twenty-four".