9093812 has 72 divisors (see below), whose sum is σ = 20645856. Its totient is φ = 3471552.

The previous prime is 9093803. The next prime is 9093817. The reversal of 9093812 is 2183909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9093817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109523 + ... + 109605.

It is an arithmetic number, because the mean of its divisors is an integer number (286748).

Almost surely, 2^9093812 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 9093812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10322928).

9093812 is an abundant number, since it is smaller than the sum of its proper divisors (11552044).

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

9093812 is a wasteful number, since it uses less digits than its factorization.

9093812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 9093812 is about 3015.5948003669. The cubic root of 9093812 is about 208.7286145877.

Subtracting from 9093812 its reverse (2183909), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 9093812 in words is "nine million, ninety-three thousand, eight hundred twelve".