345699 has 12 divisors (see below), whose sum is σ = 507312. Its totient is φ = 226800.

The previous prime is 345689. The next prime is 345701. The reversal of 345699 is 996543.

It is not a de Polignac number, because 345699 - 2⁷ = 345571 is a prime.

It is a plaindrome in base 10.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345699.

It is not an unprimeable number, because it can be changed into a prime (345659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369 + ... + 909.

It is an arithmetic number, because the mean of its divisors is an integer number (42276).

2³⁴⁵⁶⁹⁹ is an apocalyptic number.

345699 is a deficient number, since it is larger than the sum of its proper divisors (161613).

345699 is a wasteful number, since it uses less digits than its factorization.

345699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 615 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 345699 is about 587.9617334487. The cubic root of 345699 is about 70.1831259514.

The spelling of 345699 in words is "three hundred forty-five thousand, six hundred ninety-nine".