345884 has 24 divisors (see below), whose sum is σ = 755328. Its totient is φ = 134640.

The previous prime is 345881. The next prime is 345887. The reversal of 345884 is 488543.

It is an interprime number because it is at equal distance from previous prime (345881) and next prime (345887).

It is a self number, because there is not a number n which added to its sum of digits gives 345884.

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 345884.

It is not an unprimeable number, because it can be changed into a prime (345881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254 + ... + 869.

It is an arithmetic number, because the mean of its divisors is an integer number (31472).

2³⁴⁵⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

345884 is an abundant number, since it is smaller than the sum of its proper divisors (409444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345884 is a wasteful number, since it uses less digits than its factorization.

345884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1143 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 345884 is about 588.1190355702. The cubic root of 345884 is about 70.1956431632.

The spelling of 345884 in words is "three hundred forty-five thousand, eight hundred eighty-four".