79404446 has 16 divisors (see below), whose sum is σ = 130614768. Its totient is φ = 35904000.

The previous prime is 79404421. The next prime is 79404449. The reversal of 79404446 is 64440497.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79404449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5105 + ... + 13596.

It is an arithmetic number, because the mean of its divisors is an integer number (8163423).

Almost surely, 2^79404446 is an apocalyptic number.

79404446 is a deficient number, since it is larger than the sum of its proper divisors (51210322).

79404446 is a wasteful number, since it uses less digits than its factorization.

79404446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18907.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 79404446 is about 8910.9172367383. The cubic root of 79404446 is about 429.8150385334.

The spelling of 79404446 in words is "seventy-nine million, four hundred four thousand, four hundred forty-six".