79393396 has 6 divisors (see below), whose sum is σ = 138938450. Its totient is φ = 39696696.

The previous prime is 79393361. The next prime is 79393397. The reversal of 79393396 is 69339397.

It can be written as a sum of positive squares in only one way, i.e., 75933796 + 3459600 = 8714^2 + 1860^2 .

It is a super-2 number, since 2×79393396² = 12606622656825632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79393397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9924171 + ... + 9924178.

Almost surely, 2^79393396 is an apocalyptic number.

It is an amenable number.

79393396 is a deficient number, since it is larger than the sum of its proper divisors (59545054).

79393396 is a wasteful number, since it uses less digits than its factorization.

79393396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19848353 (or 19848351 counting only the distinct ones).

The product of its digits is 826686, while the sum is 49.

The square root of 79393396 is about 8910.2971892076. The cubic root of 79393396 is about 429.7950997821.

The spelling of 79393396 in words is "seventy-nine million, three hundred ninety-three thousand, three hundred ninety-six".