306479 has 2 divisors, whose sum is σ = 306480. Its totient is φ = 306478.

The previous prime is 306473. The next prime is 306491. The reversal of 306479 is 974603.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 306479 - 2⁴ = 306463 is a prime.

It is a Chen prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 306479.

It is not a weakly prime, because it can be changed into another prime (306473) 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, 153239 + 153240.

It is an arithmetic number, because the mean of its divisors is an integer number (153240).

2³⁰⁶⁴⁷⁹ is an apocalyptic number.

306479 is a deficient number, since it is larger than the sum of its proper divisors (1).

306479 is an equidigital number, since it uses as much as digits as its factorization.

306479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 306479 is about 553.6054551754. The cubic root of 306479 is about 67.4217841163.

The spelling of 306479 in words is "three hundred six thousand, four hundred seventy-nine".