344408353 has 4 divisors (see below), whose sum is σ = 344515140. Its totient is φ = 344301568.

The previous prime is 344408329. The next prime is 344408377. The reversal of 344408353 is 353804443.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (344408329) and next prime (344408377).

It can be written as a sum of positive squares in 2 ways, for example, as 120846049 + 223562304 = 10993^2 + 14952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344408353 is a prime.

It is a super-2 number, since 2×344408353² = 237234227232345218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344408153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48400 + ... + 55057.

It is an arithmetic number, because the mean of its divisors is an integer number (86128785).

Almost surely, 2^344408353 is an apocalyptic number.

It is an amenable number.

344408353 is a deficient number, since it is larger than the sum of its proper divisors (106787).

344408353 is a wasteful number, since it uses less digits than its factorization.

344408353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106786.

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 344408353 is about 18558.2421850778. The cubic root of 344408353 is about 700.9567549837.

The spelling of 344408353 in words is "three hundred forty-four million, four hundred eight thousand, three hundred fifty-three".