344340433 has 4 divisors (see below), whose sum is σ = 347683648. Its totient is φ = 340997220.

The previous prime is 344340413. The next prime is 344340449. The reversal of 344340433 is 334043443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344340433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344340413) 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, 1671453 + ... + 1671658.

It is an arithmetic number, because the mean of its divisors is an integer number (86920912).

Almost surely, 2^344340433 is an apocalyptic number.

It is an amenable number.

344340433 is a deficient number, since it is larger than the sum of its proper divisors (3343215).

344340433 is a wasteful number, since it uses less digits than its factorization.

344340433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343214.

The product of its (nonzero) digits is 20736, while the sum is 28.

The square root of 344340433 is about 18556.4121801603. The cubic root of 344340433 is about 700.9106739171.

Adding to 344340433 its reverse (334043443), we get a palindrome (678383876).

The spelling of 344340433 in words is "three hundred forty-four million, three hundred forty thousand, four hundred thirty-three".