9808428 has 48 divisors (see below), whose sum is σ = 26700800. Its totient is φ = 2801232.

The previous prime is 9808417. The next prime is 9808451. The reversal of 9808428 is 8248089.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2925 + ... + 5307.

Almost surely, 2^9808428 is an apocalyptic number.

9808428 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9808428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13350400).

9808428 is an abundant number, since it is smaller than the sum of its proper divisors (16892372).

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

9808428 is a wasteful number, since it uses less digits than its factorization.

9808428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411 (or 2395 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 9808428 is about 3131.8409921323. The cubic root of 9808428 is about 214.0588244845.

The spelling of 9808428 in words is "nine million, eight hundred eight thousand, four hundred twenty-eight".