42594939 has 12 divisors (see below), whose sum is σ = 63648000. Its totient is φ = 27417264.

The previous prime is 42594917. The next prime is 42594943. The reversal of 42594939 is 93949524.

It is a happy number.

It is not a de Polignac number, because 42594939 - 2²³ = 34206331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42594894 and 42594903.

It is not an unprimeable number, because it can be changed into a prime (42594949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81339 + ... + 81860.

It is an arithmetic number, because the mean of its divisors is an integer number (5304000).

Almost surely, 2^42594939 is an apocalyptic number.

42594939 is a deficient number, since it is larger than the sum of its proper divisors (21053061).

42594939 is a wasteful number, since it uses less digits than its factorization.

42594939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163234 (or 163231 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 42594939 is about 6526.4798321913. The cubic root of 42594939 is about 349.2362639130.

The spelling of 42594939 in words is "forty-two million, five hundred ninety-four thousand, nine hundred thirty-nine".