9027021 has 8 divisors (see below), whose sum is σ = 12050080. Its totient is φ = 6010992.

The previous prime is 9026987. The next prime is 9027043. The reversal of 9027021 is 1207209.

It is a happy number.

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

It is not a de Polignac number, because 9027021 - 2⁷ = 9026893 is a prime.

It is the 3005-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9027061) by changing a digit.

It is a nontrivial repunit in base 3004.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3435 + ... + 5463.

It is an arithmetic number, because the mean of its divisors is an integer number (1506260).

Almost surely, 2^9027021 is an apocalyptic number.

It is an amenable number.

9027021 is a deficient number, since it is larger than the sum of its proper divisors (3023059).

9027021 is a wasteful number, since it uses less digits than its factorization.

9027021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 9027021 is about 3004.5001248128. The cubic root of 9027021 is about 208.2163444865.

The spelling of 9027021 in words is "nine million, twenty-seven thousand, twenty-one".