873491 has 4 divisors (see below), whose sum is σ = 877632. Its totient is φ = 869352.

The previous prime is 873469. The next prime is 873497. The reversal of 873491 is 194378.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 873491 - 2⁶ = 873427 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (873497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1736 + ... + 2181.

It is an arithmetic number, because the mean of its divisors is an integer number (219408).

2⁸⁷³⁴⁹¹ is an apocalyptic number.

873491 is a deficient number, since it is larger than the sum of its proper divisors (4141).

873491 is a wasteful number, since it uses less digits than its factorization.

873491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4140.

The product of its digits is 6048, while the sum is 32.

The square root of 873491 is about 934.6074042078. The cubic root of 873491 is about 95.5915443932.

The spelling of 873491 in words is "eight hundred seventy-three thousand, four hundred ninety-one".