86405044 has 12 divisors (see below), whose sum is σ = 164955168. Its totient is φ = 39275000.

The previous prime is 86405003. The next prime is 86405051. The reversal of 86405044 is 44050468.

It is a junction number, because it is equal to n+sod(n) for n = 86404997 and 86405015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981832 + ... + 981919.

It is an arithmetic number, because the mean of its divisors is an integer number (13746264).

Almost surely, 2^86405044 is an apocalyptic number.

It is an amenable number.

86405044 is a deficient number, since it is larger than the sum of its proper divisors (78550124).

86405044 is a wasteful number, since it uses less digits than its factorization.

86405044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963766 (or 1963764 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 86405044 is about 9295.4313509379. The cubic root of 86405044 is about 442.0923825652.

The spelling of 86405044 in words is "eighty-six million, four hundred five thousand, forty-four".