345246907 has 4 divisors (see below), whose sum is σ = 356383936. Its totient is φ = 334109880.

The previous prime is 345246901. The next prime is 345246961. The reversal of 345246907 is 709642543.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 345246907 - 2³ = 345246899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345246907.

It is not an unprimeable number, because it can be changed into a prime (345246901) 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, 5568468 + ... + 5568529.

It is an arithmetic number, because the mean of its divisors is an integer number (89095984).

Almost surely, 2^345246907 is an apocalyptic number.

345246907 is a deficient number, since it is larger than the sum of its proper divisors (11137029).

345246907 is a wasteful number, since it uses less digits than its factorization.

345246907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11137028.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 345246907 is about 18580.8209452650. The cubic root of 345246907 is about 701.5251826325.

The spelling of 345246907 in words is "three hundred forty-five million, two hundred forty-six thousand, nine hundred seven".