9890080 has 24 divisors (see below), whose sum is σ = 23365692. Its totient is φ = 3955968.

The previous prime is 9890077. The next prime is 9890081. The reversal of 9890080 is 800989.

It can be written as a sum of positive squares in 2 ways, for example, as 9809424 + 80656 = 3132^2 + 284^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9890081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30747 + ... + 31066.

Almost surely, 2^9890080 is an apocalyptic number.

It is an amenable number.

9890080 is an abundant number, since it is smaller than the sum of its proper divisors (13475612).

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

9890080 is a wasteful number, since it uses less digits than its factorization.

9890080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61828 (or 61820 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 9890080 is about 3144.8497579376. The cubic root of 9890080 is about 214.6511740338.

The spelling of 9890080 in words is "nine million, eight hundred ninety thousand, eighty".