9000870 has 32 divisors (see below), whose sum is σ = 22740480. Its totient is φ = 2273760.

The previous prime is 9000841. The next prime is 9000877. The reversal of 9000870 is 780009.

9000870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 9000870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9000877) 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, 7326 + ... + 8465.

It is an arithmetic number, because the mean of its divisors is an integer number (710640).

Almost surely, 2^9000870 is an apocalyptic number.

9000870 is an abundant number, since it is smaller than the sum of its proper divisors (13739610).

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

9000870 is a wasteful number, since it uses less digits than its factorization.

9000870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15820.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 9000870 is about 3000.1449964960. The cubic root of 9000870 is about 208.0150845816.

Adding to 9000870 its reverse (780009), we get a palindrome (9780879).

It can be divided in two parts, 9000 and 870, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 9000870 in words is "nine million, eight hundred seventy", and thus it is an aban number.