42839632 has 40 divisors (see below), whose sum is σ = 90922752. Its totient is φ = 19392000.

The previous prime is 42839611. The next prime is 42839647. The reversal of 42839632 is 23693824.

It is a junction number, because it is equal to n+sod(n) for n = 42839591 and 42839600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70273 + ... + 70879.

Almost surely, 2^42839632 is an apocalyptic number.

It is an amenable number.

42839632 is an abundant number, since it is smaller than the sum of its proper divisors (48083120).

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

42839632 is a wasteful number, since it uses less digits than its factorization.

42839632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027 (or 1021 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 42839632 is about 6545.1991566338. The cubic root of 42839632 is about 349.9037340691.

The spelling of 42839632 in words is "forty-two million, eight hundred thirty-nine thousand, six hundred thirty-two".