345738 has 16 divisors (see below), whose sum is σ = 715680. Its totient is φ = 111216.

The previous prime is 345733. The next prime is 345739. The reversal of 345738 is 837543.

345738 is nontrivially palindromic in base 14.

345738 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (345731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820 + ... + 1167.

It is an arithmetic number, because the mean of its divisors is an integer number (44730).

2³⁴⁵⁷³⁸ is an apocalyptic number.

345738 is an abundant number, since it is smaller than the sum of its proper divisors (369942).

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

345738 is a wasteful number, since it uses less digits than its factorization.

345738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021.

The product of its digits is 10080, while the sum is 30.

The square root of 345738 is about 587.9948979370. The cubic root of 345738 is about 70.1857650864.

The spelling of 345738 in words is "three hundred forty-five thousand, seven hundred thirty-eight".