9089730 has 96 divisors (see below), whose sum is σ = 27007344. Its totient is φ = 2101248.

The previous prime is 9089719. The next prime is 9089737. The reversal of 9089730 is 379809.

It can be written as a sum of positive squares in 8 ways, for example, as 5322249 + 3767481 = 2307^2 + 1941^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9089737) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19662 + ... + 20118.

Almost surely, 2^9089730 is an apocalyptic number.

9089730 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9089730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13503672).

9089730 is an abundant number, since it is smaller than the sum of its proper divisors (17917614).

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

9089730 is a wasteful number, since it uses less digits than its factorization.

9089730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 9089730 is about 3014.9179093302. The cubic root of 9089730 is about 208.6973787787.

The spelling of 9089730 in words is "nine million, eighty-nine thousand, seven hundred thirty".