7979446 has 4 divisors (see below), whose sum is σ = 11969172. Its totient is φ = 3989722.

The previous prime is 7979441. The next prime is 7979453. The reversal of 7979446 is 6449797.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 7979396 and 7979405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7979441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1994860 + ... + 1994863.

It is an arithmetic number, because the mean of its divisors is an integer number (2992293).

Almost surely, 2^7979446 is an apocalyptic number.

7979446 is a deficient number, since it is larger than the sum of its proper divisors (3989726).

7979446 is a wasteful number, since it uses less digits than its factorization.

7979446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989725.

The product of its digits is 381024, while the sum is 46.

The square root of 7979446 is about 2824.7913197261. The cubic root of 7979446 is about 199.8285697670.

The spelling of 7979446 in words is "seven million, nine hundred seventy-nine thousand, four hundred forty-six".