86238869 has 8 divisors (see below), whose sum is σ = 89288448. Its totient is φ = 83206080.

The previous prime is 86238863. The next prime is 86238871. The reversal of 86238869 is 96883268.

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 86238869 - 2¹² = 86234773 is a prime.

It is a super-2 number, since 2×86238869² = 14874285052798322, 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 (86238863) 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, 6749 + ... + 14765.

It is an arithmetic number, because the mean of its divisors is an integer number (11161056).

Almost surely, 2^86238869 is an apocalyptic number.

It is an amenable number.

86238869 is a deficient number, since it is larger than the sum of its proper divisors (3049579).

86238869 is a wasteful number, since it uses less digits than its factorization.

86238869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8395.

The product of its digits is 995328, while the sum is 50.

The square root of 86238869 is about 9286.4885182721. The cubic root of 86238869 is about 441.8087885964.

The spelling of 86238869 in words is "eighty-six million, two hundred thirty-eight thousand, eight hundred sixty-nine".