9015000 has 80 divisors (see below), whose sum is σ = 28209720. Its totient is φ = 2400000.

The previous prime is 9014983. The next prime is 9015001. The reversal of 9015000 is 5109.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9015001) 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 19 ways as a sum of consecutive naturals, for example, 14700 + ... + 15300.

Almost surely, 2^9015000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9015000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14104860).

9015000 is an abundant number, since it is smaller than the sum of its proper divisors (19194720).

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

9015000 is a wasteful number, since it uses less digits than its factorization.

9015000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 9015000 is about 3002.4989592005. The cubic root of 9015000 is about 208.1238783768.

The spelling of 9015000 in words is "nine million, fifteen thousand".