86349673 has 4 divisors (see below), whose sum is σ = 86389380. Its totient is φ = 86309968.

The previous prime is 86349671. The next prime is 86349721. The reversal of 86349673 is 37694368.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49042009 + 37307664 = 7003^2 + 6108^2 .

It is a cyclic number.

It is not a de Polignac number, because 86349673 - 2¹ = 86349671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86349671) 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, 16390 + ... + 21007.

It is an arithmetic number, because the mean of its divisors is an integer number (21597345).

Almost surely, 2^86349673 is an apocalyptic number.

It is an amenable number.

86349673 is a deficient number, since it is larger than the sum of its proper divisors (39707).

86349673 is a wasteful number, since it uses less digits than its factorization.

86349673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39706.

The product of its digits is 653184, while the sum is 46.

The square root of 86349673 is about 9292.4524749928. The cubic root of 86349673 is about 441.9979269369.

The spelling of 86349673 in words is "eighty-six million, three hundred forty-nine thousand, six hundred seventy-three".