86396281 has 4 divisors (see below), whose sum is σ = 86913792. Its totient is φ = 85878772.

The previous prime is 86396273. The next prime is 86396327. The reversal of 86396281 is 18269368.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86396281 - 2³ = 86396273 is a prime.

It is a super-2 number, since 2×86396281² = 14928634741261922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86396231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258505 + ... + 258838.

It is an arithmetic number, because the mean of its divisors is an integer number (21728448).

Almost surely, 2^86396281 is an apocalyptic number.

It is an amenable number.

86396281 is a deficient number, since it is larger than the sum of its proper divisors (517511).

86396281 is a wasteful number, since it uses less digits than its factorization.

86396281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517510.

The product of its digits is 124416, while the sum is 43.

The square root of 86396281 is about 9294.9599783969. The cubic root of 86396281 is about 442.0774367305.

The spelling of 86396281 in words is "eighty-six million, three hundred ninety-six thousand, two hundred eighty-one".