86690243 has 8 divisors (see below), whose sum is σ = 90720000. Its totient is φ = 82682248.

The previous prime is 86690239. The next prime is 86690249. The reversal of 86690243 is 34209668.

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 86690243 - 2² = 86690239 is a prime.

It is a super-3 number, since 3×86690243³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86690197 and 86690206.

It is not an unprimeable number, because it can be changed into a prime (86690249) 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 7 ways as a sum of consecutive naturals, for example, 3008 + ... + 13506.

It is an arithmetic number, because the mean of its divisors is an integer number (11340000).

Almost surely, 2^86690243 is an apocalyptic number.

86690243 is a deficient number, since it is larger than the sum of its proper divisors (4029757).

86690243 is a wasteful number, since it uses less digits than its factorization.

86690243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10881.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 86690243 is about 9310.7595286314. The cubic root of 86690243 is about 442.5782563458.

The spelling of 86690243 in words is "eighty-six million, six hundred ninety thousand, two hundred forty-three".