79239938 has 8 divisors (see below), whose sum is σ = 118897680. Its totient is φ = 39607380.

The previous prime is 79239931. The next prime is 79239943. The reversal of 79239938 is 83993297.

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

It is not an unprimeable number, because it can be changed into a prime (79239931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9233 + ... + 15611.

It is an arithmetic number, because the mean of its divisors is an integer number (14862210).

Almost surely, 2^79239938 is an apocalyptic number.

79239938 is a deficient number, since it is larger than the sum of its proper divisors (39657742).

79239938 is a wasteful number, since it uses less digits than its factorization.

79239938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12592.

The product of its digits is 734832, while the sum is 50.

The square root of 79239938 is about 8901.6817512198. The cubic root of 79239938 is about 429.5180068913.

The spelling of 79239938 in words is "seventy-nine million, two hundred thirty-nine thousand, nine hundred thirty-eight".