79031438 has 16 divisors (see below), whose sum is σ = 124120080. Its totient is φ = 37691136.

The previous prime is 79031413. The next prime is 79031489. The reversal of 79031438 is 83413097.

It is a junction number, because it is equal to n+sod(n) for n = 79031398 and 79031407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3395 + ... + 13022.

It is an arithmetic number, because the mean of its divisors is an integer number (7757505).

Almost surely, 2^79031438 is an apocalyptic number.

79031438 is a deficient number, since it is larger than the sum of its proper divisors (45088642).

79031438 is a wasteful number, since it uses less digits than its factorization.

79031438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16531.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 79031438 is about 8889.9627670761. The cubic root of 79031438 is about 429.1409530619.

The spelling of 79031438 in words is "seventy-nine million, thirty-one thousand, four hundred thirty-eight".