345479 has 2 divisors, whose sum is σ = 345480. Its totient is φ = 345478.

The previous prime is 345473. The next prime is 345487. The reversal of 345479 is 974543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345479 - 2⁴ = 345463 is a prime.

It is a Chen prime.

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 345479.

It is not a weakly prime, because it can be changed into another prime (345473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172739 + 172740.

It is an arithmetic number, because the mean of its divisors is an integer number (172740).

2³⁴⁵⁴⁷⁹ is an apocalyptic number.

345479 is a deficient number, since it is larger than the sum of its proper divisors (1).

345479 is an equidigital number, since it uses as much as digits as its factorization.

345479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The square root of 345479 is about 587.7746166687. The cubic root of 345479 is about 70.1682348040.

The spelling of 345479 in words is "three hundred forty-five thousand, four hundred seventy-nine".