8909740 has 48 divisors (see below), whose sum is σ = 22321152. Its totient is φ = 2920896.

The previous prime is 8909737. The next prime is 8909749. The reversal of 8909740 is 479098.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8909740.

It is not an unprimeable number, because it can be changed into a prime (8909749) 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, 1837 + ... + 4603.

It is an arithmetic number, because the mean of its divisors is an integer number (465024).

Almost surely, 2^8909740 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 8909740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11160576).

8909740 is an abundant number, since it is smaller than the sum of its proper divisors (13411412).

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

8909740 is a wasteful number, since it uses less digits than its factorization.

8909740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806 (or 2804 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 8909740 is about 2984.9187593635. The cubic root of 8909740 is about 207.3106803711.

The spelling of 8909740 in words is "eight million, nine hundred nine thousand, seven hundred forty".