86308243 has 4 divisors (see below), whose sum is σ = 98638000. Its totient is φ = 73978488.

The previous prime is 86308223. The next prime is 86308253. The reversal of 86308243 is 34280368.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86308243 - 2⁹ = 86307731 is a prime.

It is a super-2 number, since 2×86308243² = 14898225619494098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86308199 and 86308208.

It is not an unprimeable number, because it can be changed into a prime (86308223) 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, 6164868 + ... + 6164881.

It is an arithmetic number, because the mean of its divisors is an integer number (24659500).

Almost surely, 2^86308243 is an apocalyptic number.

86308243 is a deficient number, since it is larger than the sum of its proper divisors (12329757).

86308243 is a wasteful number, since it uses less digits than its factorization.

86308243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12329756.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 86308243 is about 9290.2229790248. Note that the first 3 decimals coincide. The cubic root of 86308243 is about 441.9272264045.

The spelling of 86308243 in words is "eighty-six million, three hundred eight thousand, two hundred forty-three".