344660397 has 8 divisors (see below), whose sum is σ = 486579456. Its totient is φ = 216257472.

The previous prime is 344660377. The next prime is 344660401. The reversal of 344660397 is 793066443.

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

It is not a de Polignac number, because 344660397 - 2⁶ = 344660333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344660377) 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, 3378973 + ... + 3379074.

It is an arithmetic number, because the mean of its divisors is an integer number (60822432).

Almost surely, 2^344660397 is an apocalyptic number.

It is an amenable number.

344660397 is a deficient number, since it is larger than the sum of its proper divisors (141919059).

344660397 is a wasteful number, since it uses less digits than its factorization.

344660397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6758067.

The product of its (nonzero) digits is 326592, while the sum is 42.

The square root of 344660397 is about 18565.0315647456. The cubic root of 344660397 is about 701.1277040553.

The spelling of 344660397 in words is "three hundred forty-four million, six hundred sixty thousand, three hundred ninety-seven".