344241981 has 20 divisors (see below), whose sum is σ = 541305600. Its totient is φ = 217415016.

The previous prime is 344241973. The next prime is 344241983. The reversal of 344241981 is 189142443.

It is a happy number.

It is not a de Polignac number, because 344241981 - 2³ = 344241973 is a prime.

It is a super-2 number, since 2×344241981² = 237005082965608722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344241983) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 110301 + ... + 113378.

It is an arithmetic number, because the mean of its divisors is an integer number (27065280).

Almost surely, 2^344241981 is an apocalyptic number.

It is an amenable number.

344241981 is a deficient number, since it is larger than the sum of its proper divisors (197063619).

344241981 is a wasteful number, since it uses less digits than its factorization.

344241981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223710 (or 223701 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 344241981 is about 18553.7592147791. The cubic root of 344241981 is about 700.8438673223.

The spelling of 344241981 in words is "three hundred forty-four million, two hundred forty-one thousand, nine hundred eighty-one".