86646236 has 12 divisors (see below), whose sum is σ = 152562312. Its totient is φ = 43057008.

The previous prime is 86646233. The next prime is 86646257. The reversal of 86646236 is 63264668.

It is a junction number, because it is equal to n+sod(n) for n = 86646193 and 86646202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86646233) 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, 65795 + ... + 67098.

It is an arithmetic number, because the mean of its divisors is an integer number (12713526).

Almost surely, 2^86646236 is an apocalyptic number.

It is an amenable number.

86646236 is a deficient number, since it is larger than the sum of its proper divisors (65916076).

86646236 is a wasteful number, since it uses less digits than its factorization.

86646236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133060 (or 133058 counting only the distinct ones).

The product of its digits is 248832, while the sum is 41.

The square root of 86646236 is about 9308.3959950144. The cubic root of 86646236 is about 442.5033542683.

The spelling of 86646236 in words is "eighty-six million, six hundred forty-six thousand, two hundred thirty-six".