86943291 has 8 divisors (see below), whose sum is σ = 118620480. Its totient is φ = 56614152.

The previous prime is 86943281. The next prime is 86943301. The reversal of 86943291 is 19234968.

It is an interprime number because it is at equal distance from previous prime (86943281) and next prime (86943301).

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

It is not a de Polignac number, because 86943291 - 2¹³ = 86935099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86943271) 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, 336861 + ... + 337118.

It is an arithmetic number, because the mean of its divisors is an integer number (14827560).

Almost surely, 2^86943291 is an apocalyptic number.

86943291 is a deficient number, since it is larger than the sum of its proper divisors (31677189).

86943291 is a wasteful number, since it uses less digits than its factorization.

86943291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674025.

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

The square root of 86943291 is about 9324.3386360642. The cubic root of 86943291 is about 443.0084652742.

The spelling of 86943291 in words is "eighty-six million, nine hundred forty-three thousand, two hundred ninety-one".