9874428 has 24 divisors (see below), whose sum is σ = 23162832. Its totient is φ = 3273984.

The previous prime is 9874411. The next prime is 9874439. The reversal of 9874428 is 8244789.

It is a self number, because there is not a number n which added to its sum of digits gives 9874428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276 + ... + 4452.

It is an arithmetic number, because the mean of its divisors is an integer number (965118).

Almost surely, 2^9874428 is an apocalyptic number.

It is an amenable number.

9874428 is an abundant number, since it is smaller than the sum of its proper divisors (13288404).

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

9874428 is a wasteful number, since it uses less digits than its factorization.

9874428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4381 (or 4379 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 9874428 is about 3142.3602594228. The cubic root of 9874428 is about 214.5378788904.

The spelling of 9874428 in words is "nine million, eight hundred seventy-four thousand, four hundred twenty-eight".