346881449 has 8 divisors (see below), whose sum is σ = 354594240. Its totient is φ = 339212016.

The previous prime is 346881439. The next prime is 346881497. The reversal of 346881449 is 944188643.

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 346881449 - 2⁴ = 346881433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (346881439) 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 in 7 ways as a sum of consecutive naturals, for example, 5612 + ... + 26930.

It is an arithmetic number, because the mean of its divisors is an integer number (44324280).

Almost surely, 2^346881449 is an apocalyptic number.

It is an amenable number.

346881449 is a deficient number, since it is larger than the sum of its proper divisors (7712791).

346881449 is a wasteful number, since it uses less digits than its factorization.

346881449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21679.

The product of its digits is 663552, while the sum is 47.

The square root of 346881449 is about 18624.7536628005. The cubic root of 346881449 is about 702.6305437418.

The spelling of 346881449 in words is "three hundred forty-six million, eight hundred eighty-one thousand, four hundred forty-nine".