86898239 has 8 divisors (see below), whose sum is σ = 92795520. Its totient is φ = 81194400.

The previous prime is 86898223. The next prime is 86898247. The reversal of 86898239 is 93289868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86898239 - 2⁴ = 86898223 is a prime.

It is a super-2 number, since 2×86898239² = 15102607882602242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86898269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47432 + ... + 49229.

It is an arithmetic number, because the mean of its divisors is an integer number (11599440).

Almost surely, 2^86898239 is an apocalyptic number.

86898239 is a deficient number, since it is larger than the sum of its proper divisors (5897281).

86898239 is a wasteful number, since it uses less digits than its factorization.

86898239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96721.

The product of its digits is 1492992, while the sum is 53.

The square root of 86898239 is about 9321.9224948505. The cubic root of 86898239 is about 442.9319331443.

The spelling of 86898239 in words is "eighty-six million, eight hundred ninety-eight thousand, two hundred thirty-nine".