8997480 has 80 divisors (see below), whose sum is σ = 30252420. Its totient is φ = 2398464.

The previous prime is 8997463. The next prime is 8997487. The reversal of 8997480 is 847998.

8997480 is a `hidden beast` number, since 89 + 97 + 480 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8398404 + 599076 = 2898^2 + 774^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (8997487) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1852 + ... + 4628.

Almost surely, 2^8997480 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 8997480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15126210).

8997480 is an abundant number, since it is smaller than the sum of its proper divisors (21254940).

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

8997480 is a wasteful number, since it uses less digits than its factorization.

8997480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800 (or 2787 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 8997480 is about 2999.5799705959. The cubic root of 8997480 is about 207.9889663772.

The spelling of 8997480 in words is "eight million, nine hundred ninety-seven thousand, four hundred eighty".