9023540 has 12 divisors (see below), whose sum is σ = 18949476. Its totient is φ = 3609408.

The previous prime is 9023533. The next prime is 9023543. The reversal of 9023540 is 453209.

It can be written as a sum of positive squares in 2 ways, for example, as 3888784 + 5134756 = 1972^2 + 2266^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9023543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225569 + ... + 225608.

It is an arithmetic number, because the mean of its divisors is an integer number (1579123).

Almost surely, 2^9023540 is an apocalyptic number.

It is an amenable number.

9023540 is an abundant number, since it is smaller than the sum of its proper divisors (9925936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9023540 is a wasteful number, since it uses less digits than its factorization.

9023540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451186 (or 451184 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 9023540 is about 3003.9207712588. The cubic root of 9023540 is about 208.1895769153.

Adding to 9023540 its reverse (453209), we get a palindrome (9476749).

The spelling of 9023540 in words is "nine million, twenty-three thousand, five hundred forty".