39708242 has 8 divisors (see below), whose sum is σ = 68071296. Its totient is φ = 17017812.

The previous prime is 39708203. The next prime is 39708257. The reversal of 39708242 is 24280793.

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, 1418138 + ... + 1418165.

It is an arithmetic number, because the mean of its divisors is an integer number (8508912).

Almost surely, 2^39708242 is an apocalyptic number.

39708242 is a deficient number, since it is larger than the sum of its proper divisors (28363054).

39708242 is a wasteful number, since it uses less digits than its factorization.

39708242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836312.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 39708242 is about 6301.4476114620. The cubic root of 39708242 is about 341.1616608631.

The spelling of 39708242 in words is "thirty-nine million, seven hundred eight thousand, two hundred forty-two".