86845936 has 20 divisors (see below), whose sum is σ = 170777512. Its totient is φ = 42774336.

The previous prime is 86845931. The next prime is 86845951. The reversal of 86845936 is 63954868.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 86845936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86845931) 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, 39435 + ... + 41578.

Almost surely, 2^86845936 is an apocalyptic number.

It is an amenable number.

86845936 is a deficient number, since it is larger than the sum of its proper divisors (83931576).

86845936 is a wasteful number, since it uses less digits than its factorization.

86845936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81088 (or 81082 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 86845936 is about 9319.1166963398. The cubic root of 86845936 is about 442.8430501833.

The spelling of 86845936 in words is "eighty-six million, eight hundred forty-five thousand, nine hundred thirty-six".