344229986 has 4 divisors (see below), whose sum is σ = 516344982. Its totient is φ = 172114992.

The previous prime is 344229961. The next prime is 344230031. The reversal of 344229986 is 689922443.

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

It can be written as a sum of positive squares in only one way, i.e., 288354361 + 55875625 = 16981^2 + 7475^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 344229986.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86057495 + ... + 86057498.

Almost surely, 2^344229986 is an apocalyptic number.

344229986 is a deficient number, since it is larger than the sum of its proper divisors (172114996).

344229986 is a wasteful number, since it uses less digits than its factorization.

344229986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172114995.

The product of its digits is 746496, while the sum is 47.

The square root of 344229986 is about 18553.4359621069. The cubic root of 344229986 is about 700.8357270021.

The spelling of 344229986 in words is "three hundred forty-four million, two hundred twenty-nine thousand, nine hundred eighty-six".