85944586 has 32 divisors (see below), whose sum is σ = 163795968. Its totient is φ = 32901120.

The previous prime is 85944563. The next prime is 85944587. The reversal of 85944586 is 68544958.

It is a super-2 number, since 2×85944586² = 14772943725422792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85944587) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1975 + ... + 13258.

It is an arithmetic number, because the mean of its divisors is an integer number (5118624).

Almost surely, 2^85944586 is an apocalyptic number.

85944586 is a deficient number, since it is larger than the sum of its proper divisors (77851382).

85944586 is a wasteful number, since it uses less digits than its factorization.

85944586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15286.

The product of its digits is 1382400, while the sum is 49.

The square root of 85944586 is about 9270.6302914095. The cubic root of 85944586 is about 441.3056705755.

The spelling of 85944586 in words is "eighty-five million, nine hundred forty-four thousand, five hundred eighty-six".