8194885 has 4 divisors (see below), whose sum is σ = 9833868. Its totient is φ = 6555904.

The previous prime is 8194883. The next prime is 8194889. The reversal of 8194885 is 5884918.

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 6260004 + 1934881 = 2502^2 + 1391^2 .

It is a cyclic number.

It is not a de Polignac number, because 8194885 - 2¹ = 8194883 is a prime.

It is a super-2 number, since 2×8194885² = 134312280326450, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8194883) 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, 819484 + ... + 819493.

It is an arithmetic number, because the mean of its divisors is an integer number (2458467).

Almost surely, 2^8194885 is an apocalyptic number.

It is an amenable number.

8194885 is a deficient number, since it is larger than the sum of its proper divisors (1638983).

8194885 is a wasteful number, since it uses less digits than its factorization.

8194885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638982.

The product of its digits is 92160, while the sum is 43.

The square root of 8194885 is about 2862.6709555937. The cubic root of 8194885 is about 201.6110297385.

The spelling of 8194885 in words is "eight million, one hundred ninety-four thousand, eight hundred eighty-five".