345919898 has 8 divisors (see below), whose sum is σ = 527386260. Its totient is φ = 170124480.

The previous prime is 345919867. The next prime is 345919913. The reversal of 345919898 is 898919543.

It can be written as a sum of positive squares in 2 ways, for example, as 259113409 + 86806489 = 16097^2 + 9317^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1417583 + ... + 1417826.

Almost surely, 2^345919898 is an apocalyptic number.

345919898 is a deficient number, since it is larger than the sum of its proper divisors (181466362).

345919898 is a wasteful number, since it uses less digits than its factorization.

345919898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2835472.

The product of its digits is 2799360, while the sum is 56.

The square root of 345919898 is about 18598.9219580061. The cubic root of 345919898 is about 701.9807152653.

The spelling of 345919898 in words is "three hundred forty-five million, nine hundred nineteen thousand, eight hundred ninety-eight".