8085921 has 8 divisors (see below), whose sum is σ = 10819200. Its totient is φ = 5371632.

The previous prime is 8085919. The next prime is 8085929. The reversal of 8085921 is 1295808.

It is a happy number.

8085921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8085921 - 2¹ = 8085919 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8085929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3721 + ... + 5478.

It is an arithmetic number, because the mean of its divisors is an integer number (1352400).

Almost surely, 2^8085921 is an apocalyptic number.

It is an amenable number.

8085921 is a deficient number, since it is larger than the sum of its proper divisors (2733279).

8085921 is a wasteful number, since it uses less digits than its factorization.

8085921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9495.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 8085921 is about 2843.5753902438. The cubic root of 8085921 is about 200.7134601798.

The spelling of 8085921 in words is "eight million, eighty-five thousand, nine hundred twenty-one".