344240161 has 4 divisors (see below), whose sum is σ = 350074800. Its totient is φ = 338405524.

The previous prime is 344240147. The next prime is 344240201. The reversal of 344240161 is 161042443.

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 not a de Polignac number, because 344240161 - 2⁵ = 344240129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344240101) 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, 2917231 + ... + 2917348.

It is an arithmetic number, because the mean of its divisors is an integer number (87518700).

Almost surely, 2^344240161 is an apocalyptic number.

It is an amenable number.

344240161 is a deficient number, since it is larger than the sum of its proper divisors (5834639).

344240161 is an equidigital number, since it uses as much as digits as its factorization.

344240161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834638.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 344240161 is about 18553.7101680499. The cubic root of 344240161 is about 700.8426322046.

The spelling of 344240161 in words is "three hundred forty-four million, two hundred forty thousand, one hundred sixty-one".