344642465 has 8 divisors (see below), whose sum is σ = 431552448. Its totient is φ = 263726320.

The previous prime is 344642371. The next prime is 344642471. The reversal of 344642465 is 564246443.

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

It is not a de Polignac number, because 344642465 - 2⁸ = 344642209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1498331 + ... + 1498560.

It is an arithmetic number, because the mean of its divisors is an integer number (53944056).

Almost surely, 2^344642465 is an apocalyptic number.

It is an amenable number.

344642465 is a deficient number, since it is larger than the sum of its proper divisors (86909983).

344642465 is a wasteful number, since it uses less digits than its factorization.

344642465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996919.

The product of its digits is 276480, while the sum is 38.

The square root of 344642465 is about 18564.5486074938. The cubic root of 344642465 is about 701.1155444144.

The spelling of 344642465 in words is "three hundred forty-four million, six hundred forty-two thousand, four hundred sixty-five".