9039212 has 48 divisors (see below), whose sum is σ = 20509440. Its totient is φ = 3385152.

The previous prime is 9039179. The next prime is 9039221. The reversal of 9039212 is 2129309.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6263 + ... + 7569.

It is an arithmetic number, because the mean of its divisors is an integer number (427280).

Almost surely, 2^9039212 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 9039212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10254720).

9039212 is an abundant number, since it is smaller than the sum of its proper divisors (11470228).

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

9039212 is a wasteful number, since it uses less digits than its factorization.

9039212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 9039212 is about 3006.5282303680. The cubic root of 9039212 is about 208.3100344434.

Subtracting from 9039212 its reverse (2129309), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 9039212 in words is "nine million, thirty-nine thousand, two hundred twelve".