84344443 has 4 divisors (see below), whose sum is σ = 85090968. Its totient is φ = 83597920.

The previous prime is 84344437. The next prime is 84344467. The reversal of 84344443 is 34444348.

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

It is a cyclic number.

It is not a de Polignac number, because 84344443 - 2⁵ = 84344411 is a prime.

It is a super-2 number, since 2×84344443² = 14227970129960498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84344399 and 84344408.

It is not an unprimeable number, because it can be changed into a prime (84344413) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 373093 + ... + 373318.

It is an arithmetic number, because the mean of its divisors is an integer number (21272742).

Almost surely, 2^84344443 is an apocalyptic number.

84344443 is a deficient number, since it is larger than the sum of its proper divisors (746525).

84344443 is a wasteful number, since it uses less digits than its factorization.

84344443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746524.

The product of its digits is 73728, while the sum is 34.

The square root of 84344443 is about 9183.9230724130. The cubic root of 84344443 is about 438.5497066588.

The spelling of 84344443 in words is "eighty-four million, three hundred forty-four thousand, four hundred forty-three".