979457 has 2 divisors, whose sum is σ = 979458. Its totient is φ = 979456.

The previous prime is 979439. The next prime is 979471. The reversal of 979457 is 754979.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 638401 + 341056 = 799^2 + 584^2 .

It is an emirp because it is prime and its reverse (754979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 979457 - 2⁸ = 979201 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 979457.

It is not a weakly prime, because it can be changed into another prime (979757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489728 + 489729.

It is an arithmetic number, because the mean of its divisors is an integer number (489729).

2⁹⁷⁹⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

979457 is a deficient number, since it is larger than the sum of its proper divisors (1).

979457 is an equidigital number, since it uses as much as digits as its factorization.

979457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 41.

The square root of 979457 is about 989.6751992447. The cubic root of 979457 is about 99.3104900202.

The spelling of 979457 in words is "nine hundred seventy-nine thousand, four hundred fifty-seven".