344380689 has 24 divisors (see below), whose sum is σ = 511160832. Its totient is φ = 223289280.

The previous prime is 344380667. The next prime is 344380723. The reversal of 344380689 is 986083443.

It is not a de Polignac number, because 344380689 - 2⁸ = 344380433 is a prime.

It is a super-2 number, since 2×344380689² = 237196117912229442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (344380649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134152 + ... + 136694.

It is an arithmetic number, because the mean of its divisors is an integer number (21298368).

Almost surely, 2^344380689 is an apocalyptic number.

It is an amenable number.

344380689 is a deficient number, since it is larger than the sum of its proper divisors (166780143).

344380689 is a wasteful number, since it uses less digits than its factorization.

344380689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957 (or 2954 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 344380689 is about 18557.4968408996. The cubic root of 344380689 is about 700.9379867717.

The spelling of 344380689 in words is "three hundred forty-four million, three hundred eighty thousand, six hundred eighty-nine".