345983 has 8 divisors (see below), whose sum is σ = 383616. Its totient is φ = 309400.

The previous prime is 345979. The next prime is 345997. The reversal of 345983 is 389543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345983 - 2² = 345979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560 + ... + 1002.

It is an arithmetic number, because the mean of its divisors is an integer number (47952).

2³⁴⁵⁹⁸³ is an apocalyptic number.

345983 is a deficient number, since it is larger than the sum of its proper divisors (37633).

345983 is a wasteful number, since it uses less digits than its factorization.

345983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525.

The product of its digits is 12960, while the sum is 32.

The square root of 345983 is about 588.2031961831. The cubic root of 345983 is about 70.2023397299.

The spelling of 345983 in words is "three hundred forty-five thousand, nine hundred eighty-three".