345902 has 8 divisors (see below), whose sum is σ = 524496. Its totient is φ = 171072.

The previous prime is 345889. The next prime is 345907. The reversal of 345902 is 209543.

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

It is an Ulam 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 345902.

It is not an unprimeable number, because it can be changed into a prime (345907) by changing a digit.

345902 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698 + ... + 1085.

It is an arithmetic number, because the mean of its divisors is an integer number (65562).

2³⁴⁵⁹⁰² is an apocalyptic number.

345902 is a deficient number, since it is larger than the sum of its proper divisors (178594).

345902 is a wasteful number, since it uses less digits than its factorization.

345902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 345902 is about 588.1343383956. The cubic root of 345902 is about 70.1968608158.

The spelling of 345902 in words is "three hundred forty-five thousand, nine hundred two".