79401398 has 8 divisors (see below), whose sum is σ = 119701200. Its totient is φ = 39501000.

The previous prime is 79401341. The next prime is 79401401. The reversal of 79401398 is 89310497.

It is a happy number.

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

It is a congruent number.

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, 99353 + ... + 100148.

It is an arithmetic number, because the mean of its divisors is an integer number (14962650).

Almost surely, 2^79401398 is an apocalyptic number.

79401398 is a deficient number, since it is larger than the sum of its proper divisors (40299802).

79401398 is a wasteful number, since it uses less digits than its factorization.

79401398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199702.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 79401398 is about 8910.7462089322. The cubic root of 79401398 is about 429.8095388707.

Subtracting 79401398 from its reverse (89310497), we obtain a palindrome (9909099).

The spelling of 79401398 in words is "seventy-nine million, four hundred one thousand, three hundred ninety-eight".