344354997 has 24 divisors (see below), whose sum is σ = 539117856. Its totient is φ = 194926368.

The previous prime is 344354981. The next prime is 344355007. The reversal of 344354997 is 799453443.

It is a happy number.

It is not a de Polignac number, because 344354997 - 2⁴ = 344354981 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344354897) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4783 + ... + 26675.

It is an arithmetic number, because the mean of its divisors is an integer number (22463244).

Almost surely, 2^344354997 is an apocalyptic number.

It is an amenable number.

344354997 is a deficient number, since it is larger than the sum of its proper divisors (194762859).

344354997 is a wasteful number, since it uses less digits than its factorization.

344354997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22017 (or 22010 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 48.

The square root of 344354997 is about 18556.8046010082. The cubic root of 344354997 is about 700.9205555324.

The spelling of 344354997 in words is "three hundred forty-four million, three hundred fifty-four thousand, nine hundred ninety-seven".