9000387 has 24 divisors (see below), whose sum is σ = 14280240. Its totient is φ = 5417280.

The previous prime is 9000379. The next prime is 9000403. The reversal of 9000387 is 7830009.

It is a happy number.

It is not a de Polignac number, because 9000387 - 2³ = 9000379 is a prime.

It is a super-2 number, since 2×9000387² = 162013932299538, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9000387.

It is not an unprimeable number, because it can be changed into a prime (9000317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22473 + ... + 22869.

It is an arithmetic number, because the mean of its divisors is an integer number (595010).

Almost surely, 2^9000387 is an apocalyptic number.

9000387 is a deficient number, since it is larger than the sum of its proper divisors (5279853).

9000387 is a wasteful number, since it uses less digits than its factorization.

9000387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 9000387 is about 3000.0644993066. The cubic root of 9000387 is about 208.0113637159.

The spelling of 9000387 in words is "nine million, three hundred eighty-seven", and thus it is an aban number.