345517689 has 8 divisors (see below), whose sum is σ = 502571232. Its totient is φ = 209404640.

The previous prime is 345517681. The next prime is 345517691. The reversal of 345517689 is 986715543.

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

It is a cyclic number.

It is not a de Polignac number, because 345517689 - 2³ = 345517681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345517681) 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, 5235084 + ... + 5235149.

It is an arithmetic number, because the mean of its divisors is an integer number (62821404).

Almost surely, 2^345517689 is an apocalyptic number.

It is an amenable number.

345517689 is a deficient number, since it is larger than the sum of its proper divisors (157053543).

345517689 is a wasteful number, since it uses less digits than its factorization.

345517689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10470247.

The product of its digits is 907200, while the sum is 48.

The square root of 345517689 is about 18588.1061165467. The cubic root of 345517689 is about 701.7085400567.

The spelling of 345517689 in words is "three hundred forty-five million, five hundred seventeen thousand, six hundred eighty-nine".