346981979 has 8 divisors (see below), whose sum is σ = 363697152. Its totient is φ = 330402600.

The previous prime is 346981963. The next prime is 346981993. The reversal of 346981979 is 979189643.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 346981979 - 2⁴ = 346981963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346981939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28697 + ... + 38954.

It is an arithmetic number, because the mean of its divisors is an integer number (45462144).

Almost surely, 2^346981979 is an apocalyptic number.

346981979 is a deficient number, since it is larger than the sum of its proper divisors (16715173).

346981979 is a wasteful number, since it uses less digits than its factorization.

346981979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67897.

The product of its digits is 2939328, while the sum is 56.

The square root of 346981979 is about 18627.4522949329. The cubic root of 346981979 is about 702.6984138323.

The spelling of 346981979 in words is "three hundred forty-six million, nine hundred eighty-one thousand, nine hundred seventy-nine".