345938879 has 16 divisors (see below), whose sum is σ = 409797024. Its totient is φ = 290283840.

The previous prime is 345938861. The next prime is 345938881. The reversal of 345938879 is 978839543.

It is not a de Polignac number, because 345938879 - 2⁸ = 345938623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345938179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7307 + ... + 27299.

It is an arithmetic number, because the mean of its divisors is an integer number (25612314).

Almost surely, 2^345938879 is an apocalyptic number.

345938879 is a deficient number, since it is larger than the sum of its proper divisors (63858145).

345938879 is a wasteful number, since it uses less digits than its factorization.

345938879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20039 (or 20017 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 56.

The square root of 345938879 is about 18599.4322225169. The cubic root of 345938879 is about 701.9935545115.

The spelling of 345938879 in words is "three hundred forty-five million, nine hundred thirty-eight thousand, eight hundred seventy-nine".