39874538 has 16 divisors (see below), whose sum is σ = 65352960. Its totient is φ = 18096000.

The previous prime is 39874529. The next prime is 39874561. The reversal of 39874538 is 83547893.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 39874492 and 39874501.

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, 19463 + ... + 21413.

It is an arithmetic number, because the mean of its divisors is an integer number (4084560).

Almost surely, 2^39874538 is an apocalyptic number.

39874538 is a deficient number, since it is larger than the sum of its proper divisors (25478422).

39874538 is a wasteful number, since it uses less digits than its factorization.

39874538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893.

The product of its digits is 725760, while the sum is 47.

The square root of 39874538 is about 6314.6288885413. The cubic root of 39874538 is about 341.6372531755.

The spelling of 39874538 in words is "thirty-nine million, eight hundred seventy-four thousand, five hundred thirty-eight".