345611998 has 8 divisors (see below), whose sum is σ = 519410808. Its totient is φ = 172475064.

The previous prime is 345611977. The next prime is 345612013. The reversal of 345611998 is 899116543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164161 + ... + 166252.

It is an arithmetic number, because the mean of its divisors is an integer number (64926351).

Almost surely, 2^345611998 is an apocalyptic number.

345611998 is a deficient number, since it is larger than the sum of its proper divisors (173798810).

345611998 is a wasteful number, since it uses less digits than its factorization.

345611998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330938.

The product of its digits is 233280, while the sum is 46.

The square root of 345611998 is about 18590.6427538157. The cubic root of 345611998 is about 701.7723779949.

The spelling of 345611998 in words is "three hundred forty-five million, six hundred eleven thousand, nine hundred ninety-eight".