9097812 has 24 divisors (see below), whose sum is σ = 23587200. Its totient is φ = 3032568.

The previous prime is 9097799. The next prime is 9097813. The reversal of 9097812 is 2187909.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9097813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42012 + ... + 42227.

It is an arithmetic number, because the mean of its divisors is an integer number (982800).

Almost surely, 2^9097812 is an apocalyptic number.

It is an amenable number.

9097812 is an abundant number, since it is smaller than the sum of its proper divisors (14489388).

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

9097812 is a wasteful number, since it uses less digits than its factorization.

9097812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84252 (or 84244 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 9097812 is about 3016.2579465291. The cubic root of 9097812 is about 208.7592138594.

Subtracting from 9097812 its reverse (2187909), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 9097812 in words is "nine million, ninety-seven thousand, eight hundred twelve".