873489 has 8 divisors (see below), whose sum is σ = 1168992. Its totient is φ = 580160.

The previous prime is 873469. The next prime is 873497. The reversal of 873489 is 984378.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-873489 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (873419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1177 + ... + 1769.

It is an arithmetic number, because the mean of its divisors is an integer number (146124).

2⁸⁷³⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

873489 is a deficient number, since it is larger than the sum of its proper divisors (295503).

873489 is a wasteful number, since it uses less digits than its factorization.

873489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087.

The product of its digits is 48384, while the sum is 39.

The square root of 873489 is about 934.6063342392. The cubic root of 873489 is about 95.5914714356.

Subtracting 873489 from its reverse (984378), we obtain a square (110889 = 333²).

The spelling of 873489 in words is "eight hundred seventy-three thousand, four hundred eighty-nine".