344686444 has 6 divisors (see below), whose sum is σ = 603201284. Its totient is φ = 172343220.

The previous prime is 344686423. The next prime is 344686457. The reversal of 344686444 is 444686443.

It is a self number, because there is not a number n which added to its sum of digits gives 344686444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43085802 + ... + 43085809.

Almost surely, 2^344686444 is an apocalyptic number.

It is an amenable number.

344686444 is a deficient number, since it is larger than the sum of its proper divisors (258514840).

344686444 is a wasteful number, since it uses less digits than its factorization.

344686444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86171615 (or 86171613 counting only the distinct ones).

The product of its digits is 884736, while the sum is 43.

The square root of 344686444 is about 18565.7330585140. The cubic root of 344686444 is about 701.1453657048.

Subtracting 344686444 from its reverse (444686443), we obtain a palindrome (99999999).

The spelling of 344686444 in words is "three hundred forty-four million, six hundred eighty-six thousand, four hundred forty-four".