8092821 has 16 divisors (see below), whose sum is σ = 11870208. Its totient is φ = 4863600.

The previous prime is 8092817. The next prime is 8092831. The reversal of 8092821 is 1282908.

It is not a de Polignac number, because 8092821 - 2² = 8092817 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8092801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3226 + ... + 5156.

It is an arithmetic number, because the mean of its divisors is an integer number (741888).

Almost surely, 2^8092821 is an apocalyptic number.

It is an amenable number.

8092821 is a deficient number, since it is larger than the sum of its proper divisors (3777387).

8092821 is a wasteful number, since it uses less digits than its factorization.

8092821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 8092821 is about 2844.7883928335. The cubic root of 8092821 is about 200.7705358931.

The spelling of 8092821 in words is "eight million, ninety-two thousand, eight hundred twenty-one".