345959 has 4 divisors (see below), whose sum is σ = 347304. Its totient is φ = 344616.

The previous prime is 345953. The next prime is 345979. The reversal of 345959 is 959543.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 345959 - 2¹² = 341863 is a prime.

It is a Duffinian number.

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 345959.

It is not an unprimeable number, because it can be changed into a prime (345953) 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 in 3 ways as a sum of consecutive naturals, for example, 152 + ... + 845.

It is an arithmetic number, because the mean of its divisors is an integer number (86826).

2³⁴⁵⁹⁵⁹ is an apocalyptic number.

345959 is a deficient number, since it is larger than the sum of its proper divisors (1345).

345959 is an equidigital number, since it uses as much as digits as its factorization.

345959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344.

The product of its digits is 24300, while the sum is 35.

The square root of 345959 is about 588.1827947161. The cubic root of 345959 is about 70.2007164371.

The spelling of 345959 in words is "three hundred forty-five thousand, nine hundred fifty-nine".