79338394 has 4 divisors (see below), whose sum is σ = 119007594. Its totient is φ = 39669196.

The previous prime is 79338373. The next prime is 79338409. The reversal of 79338394 is 49383397.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49383397 = 7 ⋅7054771.

It can be written as a sum of positive squares in only one way, i.e., 78411025 + 927369 = 8855^2 + 963^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19834597 + ... + 19834600.

Almost surely, 2^79338394 is an apocalyptic number.

79338394 is a deficient number, since it is larger than the sum of its proper divisors (39669200).

79338394 is a wasteful number, since it uses less digits than its factorization.

79338394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39669199.

The product of its digits is 489888, while the sum is 46.

The square root of 79338394 is about 8907.2102254297. The cubic root of 79338394 is about 429.6958259870.

The spelling of 79338394 in words is "seventy-nine million, three hundred thirty-eight thousand, three hundred ninety-four".