8194281 has 4 divisors (see below), whose sum is σ = 10925712. Its totient is φ = 5462852.

The previous prime is 8194271. The next prime is 8194283. The reversal of 8194281 is 1824918.

8194281 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8194281 - 2⁶ = 8194217 is a prime.

It is a super-2 number, since 2×8194281² = 134292482213922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8194283) 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, 1365711 + ... + 1365716.

It is an arithmetic number, because the mean of its divisors is an integer number (2731428).

Almost surely, 2^8194281 is an apocalyptic number.

It is an amenable number.

8194281 is a deficient number, since it is larger than the sum of its proper divisors (2731431).

8194281 is a wasteful number, since it uses less digits than its factorization.

8194281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731430.

The product of its digits is 4608, while the sum is 33.

The square root of 8194281 is about 2862.5654577669. The cubic root of 8194281 is about 201.6060764026.

The spelling of 8194281 in words is "eight million, one hundred ninety-four thousand, two hundred eighty-one".