345898 has 16 divisors (see below), whose sum is σ = 612864. Its totient is φ = 143280.

The previous prime is 345889. The next prime is 345907. The reversal of 345898 is 898543.

It is an interprime number because it is at equal distance from previous prime (345889) and next prime (345907).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36 + ... + 832.

It is an arithmetic number, because the mean of its divisors is an integer number (38304).

2³⁴⁵⁸⁹⁸ is an apocalyptic number.

345898 is a deficient number, since it is larger than the sum of its proper divisors (266966).

345898 is a wasteful number, since it uses less digits than its factorization.

345898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837.

The product of its digits is 34560, while the sum is 37.

The square root of 345898 is about 588.1309378021. The cubic root of 345898 is about 70.1965902300.

The spelling of 345898 in words is "three hundred forty-five thousand, eight hundred ninety-eight".