9082021 has 8 divisors (see below), whose sum is σ = 9878904. Its totient is φ = 8299200.

The previous prime is 9081991. The next prime is 9082049. The reversal of 9082021 is 1202809.

9082021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2604996 + 6477025 = 1614^2 + 2545^2 .

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

It is not a de Polignac number, because 9082021 - 2⁹ = 9081509 is a prime.

It is a Duffinian number.

9082021 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9081983 and 9082001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9082061) 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, 2146 + ... + 4771.

It is an arithmetic number, because the mean of its divisors is an integer number (1234863).

Almost surely, 2^9082021 is an apocalyptic number.

It is an amenable number.

9082021 is a deficient number, since it is larger than the sum of its proper divisors (796883).

9082021 is a wasteful number, since it uses less digits than its factorization.

9082021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7031.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 9082021 is about 3013.6391622090. The cubic root of 9082021 is about 208.6383633431.

The spelling of 9082021 in words is "nine million, eighty-two thousand, twenty-one".