42634938 has 16 divisors (see below), whose sum is σ = 85387680. Its totient is φ = 14192016.

The previous prime is 42634919. The next prime is 42634961. The reversal of 42634938 is 83943624.

42634938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42634896 and 42634905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208 + ... + 9236.

It is an arithmetic number, because the mean of its divisors is an integer number (5336730).

Almost surely, 2^42634938 is an apocalyptic number.

42634938 is an abundant number, since it is smaller than the sum of its proper divisors (42752742).

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

42634938 is a wasteful number, since it uses less digits than its factorization.

42634938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9821.

The product of its digits is 124416, while the sum is 39.

The square root of 42634938 is about 6529.5434756191. The cubic root of 42634938 is about 349.3455470919.

The spelling of 42634938 in words is "forty-two million, six hundred thirty-four thousand, nine hundred thirty-eight".