873536 has 14 divisors (see below), whose sum is σ = 1733550. Its totient is φ = 436736.

The previous prime is 873529. The next prime is 873539. The reversal of 873536 is 635378.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 577600 + 295936 = 760^2 + 544^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (873539) by changing a digit.

873536 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 (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6761 + ... + 6888.

It is an arithmetic number, because the mean of its divisors is an integer number (123825).

2⁸⁷³⁵³⁶ is an apocalyptic number.

It is an amenable number.

873536 is a deficient number, since it is larger than the sum of its proper divisors (860014).

873536 is a wasteful number, since it uses less digits than its factorization.

873536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13661 (or 13651 counting only the distinct ones).

The product of its digits is 15120, while the sum is 32.

The square root of 873536 is about 934.6314781774. The cubic root of 873536 is about 95.5931859081.

The spelling of 873536 in words is "eight hundred seventy-three thousand, five hundred thirty-six".