873986 has 4 divisors (see below), whose sum is σ = 1310982. Its totient is φ = 436992.

The previous prime is 873979. The next prime is 873989. The reversal of 873986 is 689378.

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

It can be written as a sum of positive squares in only one way, i.e., 866761 + 7225 = 931^2 + 85^2 .

It is not an unprimeable number, because it can be changed into a prime (873989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218495 + ... + 218498.

2⁸⁷³⁹⁸⁶ is an apocalyptic number.

873986 is a deficient number, since it is larger than the sum of its proper divisors (436996).

873986 is a wasteful number, since it uses less digits than its factorization.

873986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436995.

The product of its digits is 72576, while the sum is 41.

The square root of 873986 is about 934.8721837770. The cubic root of 873986 is about 95.6095979579.

The spelling of 873986 in words is "eight hundred seventy-three thousand, nine hundred eighty-six".