9026021 has 4 divisors (see below), whose sum is σ = 9218112. Its totient is φ = 8833932.

The previous prime is 9025999. The next prime is 9026029. The reversal of 9026021 is 1206209.

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 not a de Polignac number, because 9026021 - 2⁶ = 9025957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9025984 and 9026002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9026029) 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 3 ways as a sum of consecutive naturals, for example, 95975 + ... + 96068.

It is an arithmetic number, because the mean of its divisors is an integer number (2304528).

Almost surely, 2^9026021 is an apocalyptic number.

It is an amenable number.

9026021 is a deficient number, since it is larger than the sum of its proper divisors (192091).

9026021 is a wasteful number, since it uses less digits than its factorization.

9026021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192090.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 9026021 is about 3004.3337031695. Note that the first 3 decimals coincide. The cubic root of 9026021 is about 208.2086555700.

The spelling of 9026021 in words is "nine million, twenty-six thousand, twenty-one".