82444406 has 16 divisors (see below), whose sum is σ = 135165888. Its totient is φ = 37403400.

The previous prime is 82444403. The next prime is 82444421. The reversal of 82444406 is 60444428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82444403) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 9281 + ... + 15843.

It is an arithmetic number, because the mean of its divisors is an integer number (8447868).

Almost surely, 2^82444406 is an apocalyptic number.

82444406 is a deficient number, since it is larger than the sum of its proper divisors (52721482).

82444406 is a wasteful number, since it uses less digits than its factorization.

82444406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7147.

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 82444406 is about 9079.8901975740. The cubic root of 82444406 is about 435.2315779321.

The spelling of 82444406 in words is "eighty-two million, four hundred forty-four thousand, four hundred six".