86414391 has 80 divisors (see below), whose sum is σ = 157752320. Its totient is φ = 46675440.

The previous prime is 86414359. The next prime is 86414401. The reversal of 86414391 is 19341468.

86414391 is a `hidden beast` number, since 8 + 641 + 4 + 3 + 9 + 1 = 666.

It is not a de Polignac number, because 86414391 - 2⁵ = 86414359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86414191) 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 79 ways as a sum of consecutive naturals, for example, 2009616 + ... + 2009658.

It is an arithmetic number, because the mean of its divisors is an integer number (1971904).

Almost surely, 2^86414391 is an apocalyptic number.

86414391 is a deficient number, since it is larger than the sum of its proper divisors (71337929).

86414391 is an equidigital number, since it uses as much as digits as its factorization.

86414391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 84 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 86414391 is about 9295.9341112123. The cubic root of 86414391 is about 442.1083233341.

The spelling of 86414391 in words is "eighty-six million, four hundred fourteen thousand, three hundred ninety-one".