39389474 has 8 divisors (see below), whose sum is σ = 59201820. Its totient is φ = 19655536.

The previous prime is 39389447. The next prime is 39389507. The reversal of 39389474 is 47498393.

It can be written as a sum of positive squares in 2 ways, for example, as 34304449 + 5085025 = 5857^2 + 2255^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18329 + ... + 20364.

Almost surely, 2^39389474 is an apocalyptic number.

39389474 is a deficient number, since it is larger than the sum of its proper divisors (19812346).

39389474 is a wasteful number, since it uses less digits than its factorization.

39389474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39204.

The product of its digits is 653184, while the sum is 47.

The square root of 39389474 is about 6276.1034089632. The cubic root of 39389474 is about 340.2462863753.

The spelling of 39389474 in words is "thirty-nine million, three hundred eighty-nine thousand, four hundred seventy-four".