345350347 has 4 divisors (see below), whose sum is σ = 347158656. Its totient is φ = 343542040.

The previous prime is 345350321. The next prime is 345350377. The reversal of 345350347 is 743053543.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345350347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345350377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903868 + ... + 904249.

It is an arithmetic number, because the mean of its divisors is an integer number (86789664).

Almost surely, 2^345350347 is an apocalyptic number.

345350347 is a deficient number, since it is larger than the sum of its proper divisors (1808309).

345350347 is a wasteful number, since it uses less digits than its factorization.

345350347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808308.

The product of its (nonzero) digits is 75600, while the sum is 34.

The square root of 345350347 is about 18583.6042521358. The cubic root of 345350347 is about 701.5952373455.

The spelling of 345350347 in words is "three hundred forty-five million, three hundred fifty thousand, three hundred forty-seven".