344080991 has 4 divisors (see below), whose sum is σ = 344170584. Its totient is φ = 343991400.

The previous prime is 344080987. The next prime is 344080999. The reversal of 344080991 is 199080443.

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

It is a cyclic number.

It is not a de Polignac number, because 344080991 - 2² = 344080987 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 (344080999) 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, 38765 + ... + 46806.

It is an arithmetic number, because the mean of its divisors is an integer number (86042646).

Almost surely, 2^344080991 is an apocalyptic number.

344080991 is a deficient number, since it is larger than the sum of its proper divisors (89593).

344080991 is an equidigital number, since it uses as much as digits as its factorization.

344080991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89592.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 344080991 is about 18549.4202335275. The cubic root of 344080991 is about 700.7345968539.

The spelling of 344080991 in words is "three hundred forty-four million, eighty thousand, nine hundred ninety-one".