86428136 has 32 divisors (see below), whose sum is σ = 172368000. Its totient is φ = 40486656.

The previous prime is 86428129. The next prime is 86428141. The reversal of 86428136 is 63182468.

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 86428136.

It is an unprimeable number.

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, 31175 + ... + 33833.

It is an arithmetic number, because the mean of its divisors is an integer number (5386500).

Almost surely, 2^86428136 is an apocalyptic number.

It is an amenable number.

86428136 is a deficient number, since it is larger than the sum of its proper divisors (85939864).

86428136 is a wasteful number, since it uses less digits than its factorization.

86428136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921 (or 2917 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 86428136 is about 9296.6733835281. The cubic root of 86428136 is about 442.1317625501.

The spelling of 86428136 in words is "eighty-six million, four hundred twenty-eight thousand, one hundred thirty-six".