349912867 has 2 divisors, whose sum is σ = 349912868. Its totient is φ = 349912866.

The previous prime is 349912861. The next prime is 349912877. The reversal of 349912867 is 768219943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349912867 - 2³ = 349912859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 349912867.

It is not a weakly prime, because it can be changed into another prime (349912861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174956433 + 174956434.

It is an arithmetic number, because the mean of its divisors is an integer number (174956434).

Almost surely, 2^349912867 is an apocalyptic number.

349912867 is a deficient number, since it is larger than the sum of its proper divisors (1).

349912867 is an equidigital number, since it uses as much as digits as its factorization.

349912867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 49.

The square root of 349912867 is about 18705.9580615375. The cubic root of 349912867 is about 704.6713871833.

The spelling of 349912867 in words is "three hundred forty-nine million, nine hundred twelve thousand, eight hundred sixty-seven".