873428 has 6 divisors (see below), whose sum is σ = 1528506. Its totient is φ = 436712.

The previous prime is 873427. The next prime is 873437. The reversal of 873428 is 824378.

It can be written as a sum of positive squares in only one way, i.e., 669124 + 204304 = 818^2 + 452^2 .

It is a junction number, because it is equal to n+sod(n) for n = 873394 and 873403.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 873428.

It is not an unprimeable number, because it can be changed into a prime (873421) by changing a digit.

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 as a sum of consecutive naturals, namely, 109175 + ... + 109182.

It is an arithmetic number, because the mean of its divisors is an integer number (254751).

2⁸⁷³⁴²⁸ is an apocalyptic number.

It is an amenable number.

873428 is a deficient number, since it is larger than the sum of its proper divisors (655078).

873428 is a wasteful number, since it uses less digits than its factorization.

873428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218361 (or 218359 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 873428 is about 934.5736996085. The cubic root of 873428 is about 95.5892461775.

The spelling of 873428 in words is "eight hundred seventy-three thousand, four hundred twenty-eight".