345998298 has 16 divisors (see below), whose sum is σ = 692323776. Its totient is φ = 115278240.

The previous prime is 345998293. The next prime is 345998309. The reversal of 345998298 is 892899543.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (345998293) 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, 1390 + ... + 26342.

It is an arithmetic number, because the mean of its divisors is an integer number (43270236).

Almost surely, 2^345998298 is an apocalyptic number.

345998298 is an abundant number, since it is smaller than the sum of its proper divisors (346325478).

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

345998298 is a wasteful number, since it uses less digits than its factorization.

345998298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27269.

The product of its digits is 5598720, while the sum is 57.

The square root of 345998298 is about 18601.0294876386. The cubic root of 345998298 is about 702.0337440456.

The spelling of 345998298 in words is "three hundred forty-five million, nine hundred ninety-eight thousand, two hundred ninety-eight".