345380 has 24 divisors (see below), whose sum is σ = 829248. Its totient is φ = 118368.

The previous prime is 345379. The next prime is 345413. The reversal of 345380 is 83543.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094 + ... + 1373.

It is an arithmetic number, because the mean of its divisors is an integer number (34552).

2³⁴⁵³⁸⁰ is an apocalyptic number.

It is an amenable number.

345380 is an abundant number, since it is smaller than the sum of its proper divisors (483868).

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

345380 is a wasteful number, since it uses less digits than its factorization.

345380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483 (or 2481 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 345380 is about 587.6903946807. The cubic root of 345380 is about 70.1615317252.

The spelling of 345380 in words is "three hundred forty-five thousand, three hundred eighty".