8194019 has 4 divisors (see below), whose sum is σ = 8230344. Its totient is φ = 8157696.

The previous prime is 8194007. The next prime is 8194063. The reversal of 8194019 is 9104918.

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

It is a cyclic number.

It is not a de Polignac number, because 8194019 - 2²⁰ = 7145443 is a prime.

It is a super-2 number, since 2×8194019² = 134283894744722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (8194519) 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, 17822 + ... + 18275.

It is an arithmetic number, because the mean of its divisors is an integer number (2057586).

Almost surely, 2^8194019 is an apocalyptic number.

8194019 is a deficient number, since it is larger than the sum of its proper divisors (36325).

8194019 is a wasteful number, since it uses less digits than its factorization.

8194019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36324.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 8194019 is about 2862.5196942554. The cubic root of 8194019 is about 201.6039276944.

The spelling of 8194019 in words is "eight million, one hundred ninety-four thousand, nineteen".