345891697 has 8 divisors (see below), whose sum is σ = 348019200. Its totient is φ = 343771344.

The previous prime is 345891691. The next prime is 345891737. The reversal of 345891697 is 796198543.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345891697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345891691) 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, 118704 + ... + 121582.

It is an arithmetic number, because the mean of its divisors is an integer number (43502400).

Almost surely, 2^345891697 is an apocalyptic number.

It is an amenable number.

345891697 is a deficient number, since it is larger than the sum of its proper divisors (2127503).

345891697 is a wasteful number, since it uses less digits than its factorization.

345891697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575.

The product of its digits is 1632960, while the sum is 52.

The square root of 345891697 is about 18598.1638072149. The cubic root of 345891697 is about 701.9616385019.

The spelling of 345891697 in words is "three hundred forty-five million, eight hundred ninety-one thousand, six hundred ninety-seven".