345598 has 16 divisors (see below), whose sum is σ = 590976. Its totient is φ = 150040.

The previous prime is 345581. The next prime is 345599. The reversal of 345598 is 895543.

It is a d-powerful number, because it can be written as 3⁷ + 4⁹ + 5⁵ + 5⁷ + 9 + 8 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345599) 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, 165 + ... + 847.

It is an arithmetic number, because the mean of its divisors is an integer number (36936).

2³⁴⁵⁵⁹⁸ is an apocalyptic number.

345598 is a deficient number, since it is larger than the sum of its proper divisors (245378).

345598 is a wasteful number, since it uses less digits than its factorization.

345598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719.

The product of its digits is 21600, while the sum is 34.

The square root of 345598 is about 587.8758372310. The cubic root of 345598 is about 70.1762903457.

Subtracting 345598 from its reverse (895543), we obtain a palindrome (549945).

It can be divided in two parts, 3455 and 98, that added together give a palindrome (3553).

The spelling of 345598 in words is "three hundred forty-five thousand, five hundred ninety-eight".