86289489 has 32 divisors (see below), whose sum is σ = 150192000. Its totient is φ = 48271680.

The previous prime is 86289487. The next prime is 86289499. The reversal of 86289489 is 98498268.

86289489 is a `hidden beast` number, since 8 + 628 + 9 + 4 + 8 + 9 = 666.

It is not a de Polignac number, because 86289489 - 2¹ = 86289487 is a prime.

It is a super-2 number, since 2×86289489² = 14891751823762242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86289481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7314 + ... + 15035.

It is an arithmetic number, because the mean of its divisors is an integer number (4693500).

Almost surely, 2^86289489 is an apocalyptic number.

It is an amenable number.

86289489 is a deficient number, since it is larger than the sum of its proper divisors (63902511).

86289489 is a wasteful number, since it uses less digits than its factorization.

86289489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22382 (or 22376 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 86289489 is about 9289.2135835064. The cubic root of 86289489 is about 441.8952151571.

The spelling of 86289489 in words is "eighty-six million, two hundred eighty-nine thousand, four hundred eighty-nine".