42839308 has 6 divisors (see below), whose sum is σ = 74968796. Its totient is φ = 21419652.

The previous prime is 42839299. The next prime is 42839333. The reversal of 42839308 is 80393824.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5354910 + ... + 5354917.

Almost surely, 2^42839308 is an apocalyptic number.

It is an amenable number.

42839308 is a deficient number, since it is larger than the sum of its proper divisors (32129488).

42839308 is a wasteful number, since it uses less digits than its factorization.

42839308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10709831 (or 10709829 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 42839308 is about 6545.1744056213. The cubic root of 42839308 is about 349.9028519491.

The spelling of 42839308 in words is "forty-two million, eight hundred thirty-nine thousand, three hundred eight".