8075921 has 16 divisors (see below), whose sum is σ = 9744384. Its totient is φ = 6543504.

The previous prime is 8075911. The next prime is 8075927. The reversal of 8075921 is 1295708.

It is a cyclic number.

It is not a de Polignac number, because 8075921 - 2⁶ = 8075857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8075927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16340 + ... + 16826.

It is an arithmetic number, because the mean of its divisors is an integer number (609024).

Almost surely, 2^8075921 is an apocalyptic number.

It is an amenable number.

8075921 is a deficient number, since it is larger than the sum of its proper divisors (1668463).

8075921 is a wasteful number, since it uses less digits than its factorization.

8075921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 8075921 is about 2841.8164965388. The cubic root of 8075921 is about 200.6306840973.

The spelling of 8075921 in words is "eight million, seventy-five thousand, nine hundred twenty-one".