345982 has 16 divisors (see below), whose sum is σ = 639072. Its totient is φ = 136800.

The previous prime is 345979. The next prime is 345997. The reversal of 345982 is 289543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769 + ... + 1132.

It is an arithmetic number, because the mean of its divisors is an integer number (39942).

2³⁴⁵⁹⁸² is an apocalyptic number.

345982 is a deficient number, since it is larger than the sum of its proper divisors (293090).

345982 is a wasteful number, since it uses less digits than its factorization.

345982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923.

The product of its digits is 8640, while the sum is 31.

The square root of 345982 is about 588.2023461361. The cubic root of 345982 is about 70.2022720942.

It can be divided in two parts, 34598 and 2, that multiplied together give a palindrome (69196).

The spelling of 345982 in words is "three hundred forty-five thousand, nine hundred eighty-two".