346883978 has 16 divisors (see below), whose sum is σ = 595662144. Its totient is φ = 148413600.

The previous prime is 346883899. The next prime is 346883983. The reversal of 346883978 is 879388643.

It is a happy number.

346883978 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12200 + ... + 29027.

It is an arithmetic number, because the mean of its divisors is an integer number (37228884).

Almost surely, 2^346883978 is an apocalyptic number.

346883978 is a deficient number, since it is larger than the sum of its proper divisors (248778166).

346883978 is a wasteful number, since it uses less digits than its factorization.

346883978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41837.

The product of its digits is 6967296, while the sum is 56.

The square root of 346883978 is about 18624.8215561922. The cubic root of 346883978 is about 702.6322512880.

The spelling of 346883978 in words is "three hundred forty-six million, eight hundred eighty-three thousand, nine hundred seventy-eight".