345207814 has 16 divisors (see below), whose sum is σ = 626596128. Its totient is φ = 139243392.

The previous prime is 345207803. The next prime is 345207839. The reversal of 345207814 is 418702543.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 345207814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724989 + ... + 725464.

It is an arithmetic number, because the mean of its divisors is an integer number (39162258).

Almost surely, 2^345207814 is an apocalyptic number.

345207814 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

345207814 is a deficient number, since it is larger than the sum of its proper divisors (281388314).

345207814 is a wasteful number, since it uses less digits than its factorization.

345207814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450479.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 345207814 is about 18579.7689436656. The cubic root of 345207814 is about 701.4987032651.

The spelling of 345207814 in words is "three hundred forty-five million, two hundred seven thousand, eight hundred fourteen".