884428 has 12 divisors (see below), whose sum is σ = 1560832. Its totient is φ = 438480.

The previous prime is 884423. The next prime is 884437. The reversal of 884428 is 824488.

It is a junction number, because it is equal to n+sod(n) for n = 884393 and 884402.

It is not an unprimeable number, because it can be changed into a prime (884423) by changing a digit.

884428 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363 + ... + 1378.

2⁸⁸⁴⁴²⁸ is an apocalyptic number.

It is an amenable number.

884428 is a deficient number, since it is larger than the sum of its proper divisors (676404).

884428 is a wasteful number, since it uses less digits than its factorization.

884428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872 (or 1870 counting only the distinct ones).

The product of its digits is 16384, while the sum is 34.

The square root of 884428 is about 940.4403224022. The cubic root of 884428 is about 95.9888586607.

The spelling of 884428 in words is "eight hundred eighty-four thousand, four hundred twenty-eight".