79649338 has 8 divisors (see below), whose sum is σ = 119710260. Its totient is φ = 39745920.

The previous prime is 79649327. The next prime is 79649357. The reversal of 79649338 is 83394697.

It can be written as a sum of positive squares in 2 ways, for example, as 61984129 + 17665209 = 7873^2 + 4203^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 79649291 and 79649300.

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, 38103 + ... + 40138.

Almost surely, 2^79649338 is an apocalyptic number.

79649338 is a deficient number, since it is larger than the sum of its proper divisors (40060922).

79649338 is a wasteful number, since it uses less digits than its factorization.

79649338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78752.

The product of its digits is 979776, while the sum is 49.

The square root of 79649338 is about 8924.6477801648. The cubic root of 79649338 is about 430.2564505928.

The spelling of 79649338 in words is "seventy-nine million, six hundred forty-nine thousand, three hundred thirty-eight".