42038634 has 32 divisors (see below), whose sum is σ = 92327616. Its totient is φ = 12654720.

The previous prime is 42038629. The next prime is 42038663. The reversal of 42038634 is 43683024.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8334 + ... + 12390.

It is an arithmetic number, because the mean of its divisors is an integer number (2885238).

Almost surely, 2^42038634 is an apocalyptic number.

42038634 is an abundant number, since it is smaller than the sum of its proper divisors (50288982).

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

42038634 is a wasteful number, since it uses less digits than its factorization.

42038634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 42038634 is about 6483.7206910847. The cubic root of 42038634 is about 347.7092134233.

The spelling of 42038634 in words is "forty-two million, thirty-eight thousand, six hundred thirty-four".