86486444 has 18 divisors (see below), whose sum is σ = 166362252. Its totient is φ = 39311800.

The previous prime is 86486443. The next prime is 86486467. The reversal of 86486444 is 44468468.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 86486395 and 86486404.

It is not an unprimeable number, because it can be changed into a prime (86486441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88862 + ... + 89829.

Almost surely, 2^86486444 is an apocalyptic number.

It is an amenable number.

86486444 is a deficient number, since it is larger than the sum of its proper divisors (79875808).

86486444 is a wasteful number, since it uses less digits than its factorization.

86486444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178717 (or 178704 counting only the distinct ones).

The product of its digits is 589824, while the sum is 44.

The square root of 86486444 is about 9299.8088152392. The cubic root of 86486444 is about 442.2311669987.

The spelling of 86486444 in words is "eighty-six million, four hundred eighty-six thousand, four hundred forty-four".