344346985 has 16 divisors (see below), whose sum is σ = 440071056. Its totient is φ = 257763328.

The previous prime is 344346973. The next prime is 344346991. The reversal of 344346985 is 589643443.

It can be written as a sum of positive squares in 8 ways, for example, as 25938649 + 318408336 = 5093^2 + 17844^2 .

It is a cyclic number.

It is not a de Polignac number, because 344346985 - 2⁵ = 344346953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2997 + ... + 26413.

It is an arithmetic number, because the mean of its divisors is an integer number (27504441).

Almost surely, 2^344346985 is an apocalyptic number.

It is an amenable number.

344346985 is a deficient number, since it is larger than the sum of its proper divisors (95724071).

344346985 is a wasteful number, since it uses less digits than its factorization.

344346985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23612.

The product of its digits is 1244160, while the sum is 46.

The square root of 344346985 is about 18556.5887220685. The cubic root of 344346985 is about 700.9151194572.

The spelling of 344346985 in words is "three hundred forty-four million, three hundred forty-six thousand, nine hundred eighty-five".