345700 has 18 divisors (see below), whose sum is σ = 750386. Its totient is φ = 138240.

The previous prime is 345689. The next prime is 345701. The reversal of 345700 is 7543.

It can be written as a sum of positive squares in 3 ways, for example, as 2304 + 343396 = 48^2 + 586^2 .

It is not an unprimeable number, because it can be changed into a prime (345701) by changing a digit.

345700 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 5 ways as a sum of consecutive naturals, for example, 1629 + ... + 1828.

2³⁴⁵⁷⁰⁰ is an apocalyptic number.

It is an amenable number.

345700 is an abundant number, since it is smaller than the sum of its proper divisors (404686).

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

345700 is a wasteful number, since it uses less digits than its factorization.

345700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471 (or 3464 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 345700 is about 587.9625838436. The cubic root of 345700 is about 70.1831936240.

The spelling of 345700 in words is "three hundred forty-five thousand, seven hundred".