345437 has 6 divisors (see below), whose sum is σ = 361662. Its totient is φ = 329912.

The previous prime is 345431. The next prime is 345451. The reversal of 345437 is 734543.

It can be written as a sum of positive squares in only one way, i.e., 256036 + 89401 = 506^2 + 299^2 .

It is not a de Polignac number, because 345437 - 2⁸ = 345181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345437.

It is not an unprimeable number, because it can be changed into a prime (345431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203 + ... + 855.

It is an arithmetic number, because the mean of its divisors is an integer number (60277).

2³⁴⁵⁴³⁷ is an apocalyptic number.

It is an amenable number.

345437 is a deficient number, since it is larger than the sum of its proper divisors (16225).

345437 is an equidigital number, since it uses as much as digits as its factorization.

345437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 676 counting only the distinct ones).

The product of its digits is 5040, while the sum is 26.

The square root of 345437 is about 587.7388876023. The cubic root of 345437 is about 70.1653912300.

The spelling of 345437 in words is "three hundred forty-five thousand, four hundred thirty-seven".