86028489 has 12 divisors (see below), whose sum is σ = 124459972. Its totient is φ = 57261600.

The previous prime is 86028479. The next prime is 86028511. The reversal of 86028489 is 98482068.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32490000 + 53538489 = 5700^2 + 7317^2 .

It is not a de Polignac number, because 86028489 - 2¹⁹ = 85504201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86028419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1282 + ... + 13179.

Almost surely, 2^86028489 is an apocalyptic number.

It is an amenable number.

86028489 is a deficient number, since it is larger than the sum of its proper divisors (38431483).

86028489 is a wasteful number, since it uses less digits than its factorization.

86028489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15128 (or 15125 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 86028489 is about 9275.1543922460. The cubic root of 86028489 is about 441.4492314009.

The spelling of 86028489 in words is "eighty-six million, twenty-eight thousand, four hundred eighty-nine".