344020261 has 8 divisors (see below), whose sum is σ = 370782720. Its totient is φ = 317300592.

The previous prime is 344020249. The next prime is 344020283. The reversal of 344020261 is 162020443.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 344020261 - 2⁷ = 344020133 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 (344020231) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7116 + ... + 27178.

It is an arithmetic number, because the mean of its divisors is an integer number (46347840).

Almost surely, 2^344020261 is an apocalyptic number.

It is an amenable number.

344020261 is a deficient number, since it is larger than the sum of its proper divisors (26762459).

344020261 is a wasteful number, since it uses less digits than its factorization.

344020261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21395.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 344020261 is about 18547.7831829036. The cubic root of 344020261 is about 700.6933680763.

The spelling of 344020261 in words is "three hundred forty-four million, twenty thousand, two hundred sixty-one".