86944417 has 8 divisors (see below), whose sum is σ = 99921600. Its totient is φ = 74106384.

The previous prime is 86944411. The next prime is 86944421. The reversal of 86944417 is 71444968.

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

It is a cyclic number.

It is not a de Polignac number, because 86944417 - 2⁷ = 86944289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86944411) 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 7 ways as a sum of consecutive naturals, for example, 33442 + ... + 35947.

It is an arithmetic number, because the mean of its divisors is an integer number (12490200).

Almost surely, 2^86944417 is an apocalyptic number.

It is an amenable number.

86944417 is a deficient number, since it is larger than the sum of its proper divisors (12977183).

86944417 is a wasteful number, since it uses less digits than its factorization.

86944417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69575.

The product of its digits is 193536, while the sum is 43.

The square root of 86944417 is about 9324.3990154862. The cubic root of 86944417 is about 443.0103777291.

The spelling of 86944417 in words is "eighty-six million, nine hundred forty-four thousand, four hundred seventeen".