86304285 has 20 divisors (see below), whose sum is σ = 154709148. Its totient is φ = 46028736.

The previous prime is 86304233. The next prime is 86304287. The reversal of 86304285 is 58240368.

It can be written as a sum of positive squares in 2 ways, for example, as 65318724 + 20985561 = 8082^2 + 4581^2 .

It is not a de Polignac number, because 86304285 - 2⁷ = 86304157 is a prime.

It is a super-2 number, since 2×86304285² = 14896859218722450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86304287) 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 19 ways as a sum of consecutive naturals, for example, 106144 + ... + 106953.

Almost surely, 2^86304285 is an apocalyptic number.

It is an amenable number.

86304285 is a deficient number, since it is larger than the sum of its proper divisors (68404863).

86304285 is a wasteful number, since it uses less digits than its factorization.

86304285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213114 (or 213105 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 86304285 is about 9290.0099569376. The cubic root of 86304285 is about 441.9204708710.

The spelling of 86304285 in words is "eighty-six million, three hundred four thousand, two hundred eighty-five".