345516694 has 4 divisors (see below), whose sum is σ = 518275044. Its totient is φ = 172758346.

The previous prime is 345516671. The next prime is 345516707. The reversal of 345516694 is 496615543.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 345516694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86379172 + ... + 86379175.

It is an arithmetic number, because the mean of its divisors is an integer number (129568761).

Almost surely, 2^345516694 is an apocalyptic number.

345516694 is a deficient number, since it is larger than the sum of its proper divisors (172758350).

345516694 is a wasteful number, since it uses less digits than its factorization.

345516694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172758349.

The product of its digits is 388800, while the sum is 43.

The square root of 345516694 is about 18588.0793521009. The cubic root of 345516694 is about 701.7078664775.

The spelling of 345516694 in words is "three hundred forty-five million, five hundred sixteen thousand, six hundred ninety-four".