344078365 has 4 divisors (see below), whose sum is σ = 412894044. Its totient is φ = 275262688.

The previous prime is 344078341. The next prime is 344078387. The reversal of 344078365 is 563870443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 241926916 + 102151449 = 15554^2 + 10107^2 .

It is a cyclic number.

It is not a de Polignac number, because 344078365 - 2¹⁷ = 343947293 is a prime.

It is a super-2 number, since 2×344078365² = 236779842522146450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34407832 + ... + 34407841.

It is an arithmetic number, because the mean of its divisors is an integer number (103223511).

Almost surely, 2^344078365 is an apocalyptic number.

It is an amenable number.

344078365 is a deficient number, since it is larger than the sum of its proper divisors (68815679).

344078365 is an equidigital number, since it uses as much as digits as its factorization.

344078365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68815678.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 344078365 is about 18549.3494495090. The cubic root of 344078365 is about 700.7328141983.

It can be divided in two parts, 344078 and 365, that added together give a palindrome (344443).

The spelling of 344078365 in words is "three hundred forty-four million, seventy-eight thousand, three hundred sixty-five".