86091243 has 16 divisors (see below), whose sum is σ = 131717376. Its totient is φ = 48996000.

The previous prime is 86091241. The next prime is 86091259. The reversal of 86091243 is 34219068.

It is not a de Polignac number, because 86091243 - 2¹ = 86091241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86091241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2896 + ... + 13437.

It is an arithmetic number, because the mean of its divisors is an integer number (8232336).

Almost surely, 2^86091243 is an apocalyptic number.

86091243 is a deficient number, since it is larger than the sum of its proper divisors (45626133).

86091243 is a wasteful number, since it uses less digits than its factorization.

86091243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16594.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 86091243 is about 9278.5366841976. The cubic root of 86091243 is about 441.5565445795.

The spelling of 86091243 in words is "eighty-six million, ninety-one thousand, two hundred forty-three".