873851 has 8 divisors (see below), whose sum is σ = 1009584. Its totient is φ = 747520.

The previous prime is 873787. The next prime is 873863. The reversal of 873851 is 158378.

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

It is a cyclic number.

It is not a de Polignac number, because 873851 - 2⁶ = 873787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (873251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2150 + ... + 2523.

It is an arithmetic number, because the mean of its divisors is an integer number (126198).

2⁸⁷³⁸⁵¹ is an apocalyptic number.

873851 is a deficient number, since it is larger than the sum of its proper divisors (135733).

873851 is a wasteful number, since it uses less digits than its factorization.

873851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4701.

The product of its digits is 6720, while the sum is 32.

The square root of 873851 is about 934.7999786050. The cubic root of 873851 is about 95.6046749346.

The spelling of 873851 in words is "eight hundred seventy-three thousand, eight hundred fifty-one".