8194973 has 4 divisors (see below), whose sum is σ = 8237628. Its totient is φ = 8152320.

The previous prime is 8194961. The next prime is 8194981. The reversal of 8194973 is 3794918.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3794918 = 2 ⋅1897459.

It can be written as a sum of positive squares in 2 ways, for example, as 5938969 + 2256004 = 2437^2 + 1502^2 .

It is not a de Polignac number, because 8194973 - 2¹² = 8190877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8194973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8194903) 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, 21038 + ... + 21423.

It is an arithmetic number, because the mean of its divisors is an integer number (2059407).

Almost surely, 2^8194973 is an apocalyptic number.

It is an amenable number.

8194973 is a deficient number, since it is larger than the sum of its proper divisors (42655).

8194973 is a wasteful number, since it uses less digits than its factorization.

8194973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42654.

The product of its digits is 54432, while the sum is 41.

The square root of 8194973 is about 2862.6863258136. The cubic root of 8194973 is about 201.6117513962.

The spelling of 8194973 in words is "eight million, one hundred ninety-four thousand, nine hundred seventy-three".