344362861 has 2 divisors, whose sum is σ = 344362862. Its totient is φ = 344362860.

The previous prime is 344362847. The next prime is 344362871. The reversal of 344362861 is 168263443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262116100 + 82246761 = 16190^2 + 9069^2 .

It is a cyclic number.

It is not a de Polignac number, because 344362861 - 2⁹ = 344362349 is a prime.

It is a super-2 number, since 2×344362861² = 237171560072210642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 344362861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344362871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172181430 + 172181431.

It is an arithmetic number, because the mean of its divisors is an integer number (172181431).

Almost surely, 2^344362861 is an apocalyptic number.

It is an amenable number.

344362861 is a deficient number, since it is larger than the sum of its proper divisors (1).

344362861 is an equidigital number, since it uses as much as digits as its factorization.

344362861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 37.

The square root of 344362861 is about 18557.0164897270. The cubic root of 344362861 is about 700.9258911089.

The spelling of 344362861 in words is "three hundred forty-four million, three hundred sixty-two thousand, eight hundred sixty-one".