345212867 has 4 divisors (see below), whose sum is σ = 345295776. Its totient is φ = 345129960.

The previous prime is 345212851. The next prime is 345212891. The reversal of 345212867 is 768212543.

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 345212867 - 2⁴ = 345212851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345212867.

It is not an unprimeable number, because it can be changed into a prime (345212167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34859 + ... + 43652.

It is an arithmetic number, because the mean of its divisors is an integer number (86323944).

Almost surely, 2^345212867 is an apocalyptic number.

345212867 is a deficient number, since it is larger than the sum of its proper divisors (82909).

345212867 is an equidigital number, since it uses as much as digits as its factorization.

345212867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82908.

The product of its digits is 80640, while the sum is 38.

The square root of 345212867 is about 18579.9049244069. The cubic root of 345212867 is about 701.5021259914.

The spelling of 345212867 in words is "three hundred forty-five million, two hundred twelve thousand, eight hundred sixty-seven".