7979397 has 8 divisors (see below), whose sum is σ = 10711200. Its totient is φ = 5283600.

The previous prime is 7979357. The next prime is 7979423. The reversal of 7979397 is 7939797.

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

It is not a de Polignac number, because 7979397 - 2⁸ = 7979141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7979357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8479 + ... + 9372.

It is an arithmetic number, because the mean of its divisors is an integer number (1338900).

Almost surely, 2^7979397 is an apocalyptic number.

It is an amenable number.

7979397 is a deficient number, since it is larger than the sum of its proper divisors (2731803).

7979397 is a wasteful number, since it uses less digits than its factorization.

7979397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18003.

The product of its digits is 750141, while the sum is 51.

The square root of 7979397 is about 2824.7826465057. The cubic root of 7979397 is about 199.8281607319.

The spelling of 7979397 in words is "seven million, nine hundred seventy-nine thousand, three hundred ninety-seven".