86404161 has 8 divisors (see below), whose sum is σ = 118921984. Its totient is φ = 55744560.

The previous prime is 86404159. The next prime is 86404177. The reversal of 86404161 is 16140468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86404161 - 2¹ = 86404159 is a prime.

It is a super-2 number, since 2×86404161² = 14931358076227842, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86404111) 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, 464446 + ... + 464631.

It is an arithmetic number, because the mean of its divisors is an integer number (14865248).

Almost surely, 2^86404161 is an apocalyptic number.

It is an amenable number.

86404161 is a deficient number, since it is larger than the sum of its proper divisors (32517823).

86404161 is a wasteful number, since it uses less digits than its factorization.

86404161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929111.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 86404161 is about 9295.3838543656. The cubic root of 86404161 is about 442.0908766003.

The spelling of 86404161 in words is "eighty-six million, four hundred four thousand, one hundred sixty-one".