9873428 has 6 divisors (see below), whose sum is σ = 17278506. Its totient is φ = 4936712.

The previous prime is 9873389. The next prime is 9873433. The reversal of 9873428 is 8243789.

It can be written as a sum of positive squares in only one way, i.e., 8305924 + 1567504 = 2882^2 + 1252^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1234175 + ... + 1234182.

It is an arithmetic number, because the mean of its divisors is an integer number (2879751).

Almost surely, 2^9873428 is an apocalyptic number.

It is an amenable number.

9873428 is a deficient number, since it is larger than the sum of its proper divisors (7405078).

9873428 is a wasteful number, since it uses less digits than its factorization.

9873428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468361 (or 2468359 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 9873428 is about 3142.2011393289. The cubic root of 9873428 is about 214.5306364414.

It can be divided in two parts, 9873 and 428, that added together give a palindrome (10301).

The spelling of 9873428 in words is "nine million, eight hundred seventy-three thousand, four hundred twenty-eight".