86359849 has 3 divisors (see below), whose sum is σ = 86369143. Its totient is φ = 86350556.

The previous prime is 86359837. The next prime is 86359853. The reversal of 86359849 is 94895368.

It is a happy number.

The square root of 86359849 is 9293.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 6579225 + 79780624 = 2565^2 + 8932^2 .

It is not a de Polignac number, because 86359849 - 2²¹ = 84262697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86359796 and 86359805.

It is not an unprimeable number, because it can be changed into a prime (86359829) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4647 + ... + 13939.

Almost surely, 2^86359849 is an apocalyptic number.

86359849 is the 9293-rd square number.

86359849 is the 4647-th centered octagonal number.

It is an amenable number.

86359849 is a deficient number, since it is larger than the sum of its proper divisors (9294).

86359849 is an frugal number, since it uses more digits than its factorization.

86359849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18586 (or 9293 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The cubic root of 86359849 is about 442.0152888796.

The spelling of 86359849 in words is "eighty-six million, three hundred fifty-nine thousand, eight hundred forty-nine".