86289237 has 6 divisors (see below), whose sum is σ = 124640022. Its totient is φ = 57526152.

The previous prime is 86289223. The next prime is 86289253. The reversal of 86289237 is 73298268.

It can be written as a sum of positive squares in only one way, i.e., 55219761 + 31069476 = 7431^2 + 5574^2 .

It is not a de Polignac number, because 86289237 - 2⁴ = 86289221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86289192 and 86289201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86289257) 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 5 ways as a sum of consecutive naturals, for example, 4793838 + ... + 4793855.

It is an arithmetic number, because the mean of its divisors is an integer number (20773337).

Almost surely, 2^86289237 is an apocalyptic number.

It is an amenable number.

86289237 is a deficient number, since it is larger than the sum of its proper divisors (38350785).

86289237 is a wasteful number, since it uses less digits than its factorization.

86289237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9587699 (or 9587696 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 86289237 is about 9289.2000193773. The cubic root of 86289237 is about 441.8947849861.

The spelling of 86289237 in words is "eighty-six million, two hundred eighty-nine thousand, two hundred thirty-seven".