345708 has 60 divisors (see below), whose sum is σ = 996072. Its totient is φ = 103680.

The previous prime is 345707. The next prime is 345727. The reversal of 345708 is 807543.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3516 + ... + 3612.

2³⁴⁵⁷⁰⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498036).

345708 is an abundant number, since it is smaller than the sum of its proper divisors (650364).

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

345708 is a wasteful number, since it uses less digits than its factorization.

345708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 345708 is about 587.9693869582. The cubic root of 345708 is about 70.1837350001.

The spelling of 345708 in words is "three hundred forty-five thousand, seven hundred eight".