86091349 has 8 divisors (see below), whose sum is σ = 93379608. Its totient is φ = 79050240.

The previous prime is 86091301. The next prime is 86091367. The reversal of 86091349 is 94319068.

It can be written as a sum of positive squares in 4 ways, for example, as 1322500 + 84768849 = 1150^2 + 9207^2 .

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 86091349 - 2¹³ = 86083157 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 (86091389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61062 + ... + 62455.

It is an arithmetic number, because the mean of its divisors is an integer number (11672451).

Almost surely, 2^86091349 is an apocalyptic number.

It is an amenable number.

86091349 is a deficient number, since it is larger than the sum of its proper divisors (7288259).

86091349 is a wasteful number, since it uses less digits than its factorization.

86091349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123575.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 86091349 is about 9278.5423963034. The cubic root of 86091349 is about 441.5567258019.

The spelling of 86091349 in words is "eighty-six million, ninety-one thousand, three hundred forty-nine".