344907397 has 8 divisors (see below), whose sum is σ = 347817600. Its totient is φ = 342009360.

The previous prime is 344907389. The next prime is 344907427. The reversal of 344907397 is 793709443.

It is a happy number.

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

It is not a de Polignac number, because 344907397 - 2³ = 344907389 is a prime.

It is a super-2 number, since 2×344907397² = 237922225010631218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344907317) 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, 59103 + ... + 64675.

It is an arithmetic number, because the mean of its divisors is an integer number (43477200).

Almost surely, 2^344907397 is an apocalyptic number.

It is an amenable number.

344907397 is a deficient number, since it is larger than the sum of its proper divisors (2910203).

344907397 is a wasteful number, since it uses less digits than its factorization.

344907397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6083.

The product of its (nonzero) digits is 571536, while the sum is 46.

The square root of 344907397 is about 18571.6826647453. The cubic root of 344907397 is about 701.2951511923.

The spelling of 344907397 in words is "three hundred forty-four million, nine hundred seven thousand, three hundred ninety-seven".