345650 has 24 divisors (see below), whose sum is σ = 666624. Its totient is φ = 133200.

The previous prime is 345647. The next prime is 345659. The reversal of 345650 is 56543.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1439 + ... + 1661.

It is an arithmetic number, because the mean of its divisors is an integer number (27776).

2³⁴⁵⁶⁵⁰ is an apocalyptic number.

345650 is a deficient number, since it is larger than the sum of its proper divisors (320974).

345650 is a wasteful number, since it uses less digits than its factorization.

345650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 345650 is about 587.9200625935. The cubic root of 345650 is about 70.1798098337.

The spelling of 345650 in words is "three hundred forty-five thousand, six hundred fifty".