86191494 has 8 divisors (see below), whose sum is σ = 172383000. Its totient is φ = 28730496.

The previous prime is 86191493. The next prime is 86191499. The reversal of 86191494 is 49419168.

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

86191494 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86191493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7182619 + ... + 7182630.

It is an arithmetic number, because the mean of its divisors is an integer number (21547875).

Almost surely, 2^86191494 is an apocalyptic number.

86191494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86191494 is a wasteful number, since it uses less digits than its factorization.

86191494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14365254.

The product of its digits is 62208, while the sum is 42.

The square root of 86191494 is about 9283.9374190049. The cubic root of 86191494 is about 441.7278717759.

The spelling of 86191494 in words is "eighty-six million, one hundred ninety-one thousand, four hundred ninety-four".