304979 has 2 divisors, whose sum is σ = 304980. Its totient is φ = 304978.

The previous prime is 304961. The next prime is 304981. The reversal of 304979 is 979403.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (979403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 304979 - 2⁸ = 304723 is a prime.

Together with 304981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (304949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152489 + 152490.

It is an arithmetic number, because the mean of its divisors is an integer number (152490).

2³⁰⁴⁹⁷⁹ is an apocalyptic number.

304979 is a deficient number, since it is larger than the sum of its proper divisors (1).

304979 is an equidigital number, since it uses as much as digits as its factorization.

304979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 304979 is about 552.2490380254. The cubic root of 304979 is about 67.3116100451.

The spelling of 304979 in words is "three hundred four thousand, nine hundred seventy-nine".