344363399 has 4 divisors (see below), whose sum is σ = 344562264. Its totient is φ = 344164536.

The previous prime is 344363381. The next prime is 344363413. The reversal of 344363399 is 993363443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993363443 = 89 ⋅11161387.

It is a cyclic number.

It is not a de Polignac number, because 344363399 - 2⁸ = 344363143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344363599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96812 + ... + 100305.

It is an arithmetic number, because the mean of its divisors is an integer number (86140566).

Almost surely, 2^344363399 is an apocalyptic number.

344363399 is a deficient number, since it is larger than the sum of its proper divisors (198865).

344363399 is a wasteful number, since it uses less digits than its factorization.

344363399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198864.

The product of its digits is 629856, while the sum is 44.

The square root of 344363399 is about 18557.0309855860. The cubic root of 344363399 is about 700.9262561289.

Adding to 344363399 its sum of digits (44), we get a palindrome (344363443).

The spelling of 344363399 in words is "three hundred forty-four million, three hundred sixty-three thousand, three hundred ninety-nine".