86423489 has 12 divisors (see below), whose sum is σ = 91535808. Its totient is φ = 81434760.

The previous prime is 86423483. The next prime is 86423497. The reversal of 86423489 is 98432468.

It is not a de Polignac number, because 86423489 - 2¹² = 86419393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86423483) 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, 452384 + ... + 452574.

It is an arithmetic number, because the mean of its divisors is an integer number (7627984).

Almost surely, 2^86423489 is an apocalyptic number.

It is an amenable number.

86423489 is a deficient number, since it is larger than the sum of its proper divisors (5112319).

86423489 is a wasteful number, since it uses less digits than its factorization.

86423489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 317 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 86423489 is about 9296.4234520594. The cubic root of 86423489 is about 442.1238383439.

The spelling of 86423489 in words is "eighty-six million, four hundred twenty-three thousand, four hundred eighty-nine".