345498 has 16 divisors (see below), whose sum is σ = 699840. Its totient is φ = 113696.

The previous prime is 345487. The next prime is 345511. The reversal of 345498 is 894543.

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

It is a Curzon number.

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, 211 + ... + 857.

It is an arithmetic number, because the mean of its divisors is an integer number (43740).

2³⁴⁵⁴⁹⁸ is an apocalyptic number.

345498 is an abundant number, since it is smaller than the sum of its proper divisors (354342).

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

345498 is a wasteful number, since it uses less digits than its factorization.

345498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741.

The product of its digits is 17280, while the sum is 33.

The square root of 345498 is about 587.7907791043. The cubic root of 345498 is about 70.1695211070.

The spelling of 345498 in words is "three hundred forty-five thousand, four hundred ninety-eight".