9828090 has 24 divisors (see below), whose sum is σ = 25553268. Its totient is φ = 2620800.

The previous prime is 9828089. The next prime is 9828097. The reversal of 9828090 is 908289.

It can be written as a sum of positive squares in 2 ways, for example, as 9678321 + 149769 = 3111^2 + 387^2 .

It is not an unprimeable number, because it can be changed into a prime (9828097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54511 + ... + 54690.

Almost surely, 2^9828090 is an apocalyptic number.

9828090 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9828090 is an abundant number, since it is smaller than the sum of its proper divisors (15725178).

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

9828090 is a wasteful number, since it uses less digits than its factorization.

9828090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109214 (or 109211 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 9828090 is about 3134.9784688256. The cubic root of 9828090 is about 214.2017633052.

The spelling of 9828090 in words is "nine million, eight hundred twenty-eight thousand, ninety".