345868 has 6 divisors (see below), whose sum is σ = 605276. Its totient is φ = 172932.

The previous prime is 345853. The next prime is 345869. The reversal of 345868 is 868543.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁵ + 4⁸ + 8² + 5² + 6⁷ + 8² .

It is not an unprimeable number, because it can be changed into a prime (345869) by changing a digit.

345868 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 as a sum of consecutive naturals, namely, 43230 + ... + 43237.

2³⁴⁵⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

345868 is a deficient number, since it is larger than the sum of its proper divisors (259408).

345868 is a wasteful number, since it uses less digits than its factorization.

345868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86471 (or 86469 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 345868 is about 588.1054327244. The cubic root of 345868 is about 70.1945607699.

The spelling of 345868 in words is "three hundred forty-five thousand, eight hundred sixty-eight".