86544244 has 12 divisors (see below), whose sum is σ = 151525444. Its totient is φ = 43251264.

The previous prime is 86544217. The next prime is 86544329. The reversal of 86544244 is 44244568.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 77616100 + 8928144 = 8810^2 + 2988^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7642 + ... + 15214.

Almost surely, 2^86544244 is an apocalyptic number.

It is an amenable number.

86544244 is a deficient number, since it is larger than the sum of its proper divisors (64981200).

86544244 is a wasteful number, since it uses less digits than its factorization.

86544244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10434 (or 10432 counting only the distinct ones).

The product of its digits is 122880, while the sum is 37.

The square root of 86544244 is about 9302.9158869679. The cubic root of 86544244 is about 442.3296613143.

The spelling of 86544244 in words is "eighty-six million, five hundred forty-four thousand, two hundred forty-four".