344107649 has 8 divisors (see below), whose sum is σ = 361810920. Its totient is φ = 326793600.

The previous prime is 344107639. The next prime is 344107691. The reversal of 344107649 is 946701443.

It can be written as a sum of positive squares in 4 ways, for example, as 5290000 + 338817649 = 2300^2 + 18407^2 .

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 344107649 - 2¹² = 344103553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344107609) 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, 95492 + ... + 99029.

It is an arithmetic number, because the mean of its divisors is an integer number (45226365).

Almost surely, 2^344107649 is an apocalyptic number.

It is an amenable number.

344107649 is a deficient number, since it is larger than the sum of its proper divisors (17703271).

344107649 is a wasteful number, since it uses less digits than its factorization.

344107649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194611.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 344107649 is about 18550.1387865428. The cubic root of 344107649 is about 700.7526930783.

The spelling of 344107649 in words is "three hundred forty-four million, one hundred seven thousand, six hundred forty-nine".