974879 has 2 divisors, whose sum is σ = 974880. Its totient is φ = 974878.

The previous prime is 974873. The next prime is 974887. The reversal of 974879 is 978479.

It is a weak prime.

It is an emirp because it is prime and its reverse (978479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 974879 - 2⁴ = 974863 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (974873) 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 as a sum of consecutive naturals, namely, 487439 + 487440.

It is an arithmetic number, because the mean of its divisors is an integer number (487440).

2⁹⁷⁴⁸⁷⁹ is an apocalyptic number.

974879 is a deficient number, since it is larger than the sum of its proper divisors (1).

974879 is an equidigital number, since it uses as much as digits as its factorization.

974879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 44.

The square root of 974879 is about 987.3596102738. The cubic root of 974879 is about 99.1555219765.

Subtracting 974879 from its reverse (978479), we obtain a square (3600 = 60²).

The spelling of 974879 in words is "nine hundred seventy-four thousand, eight hundred seventy-nine".