86291349 has 4 divisors (see below), whose sum is σ = 115055136. Its totient is φ = 57527564.

The previous prime is 86291333. The next prime is 86291351. The reversal of 86291349 is 94319268.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86291349 - 2⁴ = 86291333 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 86291349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86293349) 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 3 ways as a sum of consecutive naturals, for example, 14381889 + ... + 14381894.

It is an arithmetic number, because the mean of its divisors is an integer number (28763784).

Almost surely, 2^86291349 is an apocalyptic number.

It is an amenable number.

86291349 is a deficient number, since it is larger than the sum of its proper divisors (28763787).

86291349 is a wasteful number, since it uses less digits than its factorization.

86291349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28763786.

The product of its digits is 93312, while the sum is 42.

The square root of 86291349 is about 9289.3136990846. The cubic root of 86291349 is about 441.8983902027.

The spelling of 86291349 in words is "eighty-six million, two hundred ninety-one thousand, three hundred forty-nine".