9023421 has 16 divisors (see below), whose sum is σ = 13432320. Its totient is φ = 5340720.

The previous prime is 9023419. The next prime is 9023431. The reversal of 9023421 is 1243209.

It is not a de Polignac number, because 9023421 - 2¹ = 9023419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9023431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1761 + ... + 4598.

It is an arithmetic number, because the mean of its divisors is an integer number (839520).

Almost surely, 2^9023421 is an apocalyptic number.

It is an amenable number.

9023421 is a deficient number, since it is larger than the sum of its proper divisors (4408899).

9023421 is a wasteful number, since it uses less digits than its factorization.

9023421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6416.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 9023421 is about 3003.9009637470. The cubic root of 9023421 is about 208.1886617288.

The spelling of 9023421 in words is "nine million, twenty-three thousand, four hundred twenty-one".