79239338 has 4 divisors (see below), whose sum is σ = 118859010. Its totient is φ = 39619668.

The previous prime is 79239331. The next prime is 79239341. The reversal of 79239338 is 83393297.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 60637369 + 18601969 = 7787^2 + 4313^2 .

It is not an unprimeable number, because it can be changed into a prime (79239331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19809833 + ... + 19809836.

Almost surely, 2^79239338 is an apocalyptic number.

79239338 is a deficient number, since it is larger than the sum of its proper divisors (39619672).

79239338 is a wasteful number, since it uses less digits than its factorization.

79239338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39619671.

The product of its digits is 244944, while the sum is 44.

The square root of 79239338 is about 8901.6480496591. The cubic root of 79239338 is about 429.5169227938.

The spelling of 79239338 in words is "seventy-nine million, two hundred thirty-nine thousand, three hundred thirty-eight".