344009306 has 4 divisors (see below), whose sum is σ = 516013962. Its totient is φ = 172004652.

The previous prime is 344009299. The next prime is 344009363. The reversal of 344009306 is 603900443.

It is a happy number.

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., 302934025 + 41075281 = 17405^2 + 6409^2 .

It is a super-2 number, since 2×344009306² = 236684805229203272, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 86002325 + ... + 86002328.

Almost surely, 2^344009306 is an apocalyptic number.

344009306 is a deficient number, since it is larger than the sum of its proper divisors (172004656).

344009306 is a wasteful number, since it uses less digits than its factorization.

344009306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172004655.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 344009306 is about 18547.4878622416. The cubic root of 344009306 is about 700.6859303580.

Adding to 344009306 its reverse (603900443), we get a palindrome (947909749).

The spelling of 344009306 in words is "three hundred forty-four million, nine thousand, three hundred six".