86319284 has 6 divisors (see below), whose sum is σ = 151058754. Its totient is φ = 43159640.

The previous prime is 86319281. The next prime is 86319367. The reversal of 86319284 is 48291368.

It can be written as a sum of positive squares in only one way, i.e., 71031184 + 15288100 = 8428^2 + 3910^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86319281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10789907 + ... + 10789914.

It is an arithmetic number, because the mean of its divisors is an integer number (25176459).

Almost surely, 2^86319284 is an apocalyptic number.

It is an amenable number.

86319284 is a deficient number, since it is larger than the sum of its proper divisors (64739470).

86319284 is a wasteful number, since it uses less digits than its factorization.

86319284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21579825 (or 21579823 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 86319284 is about 9290.8171868787. The cubic root of 86319284 is about 441.9460701453.

The spelling of 86319284 in words is "eighty-six million, three hundred nineteen thousand, two hundred eighty-four".