867801 has 8 divisors (see below), whose sum is σ = 1262304. Its totient is φ = 525920.

The previous prime is 867793. The next prime is 867803. The reversal of 867801 is 108768.

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 867801 - 2³ = 867793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (867803) 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, 13116 + ... + 13181.

It is an arithmetic number, because the mean of its divisors is an integer number (157788).

2⁸⁶⁷⁸⁰¹ is an apocalyptic number.

It is an amenable number.

867801 is a deficient number, since it is larger than the sum of its proper divisors (394503).

867801 is a wasteful number, since it uses less digits than its factorization.

867801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26311.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 867801 is about 931.5583717621. The cubic root of 867801 is about 95.3835280467.

Adding to 867801 its product of nonzero digits (2688), we get a square (870489 = 933²).

It can be divided in two parts, 86 and 7801, that added together give a palindrome (7887).

The spelling of 867801 in words is "eight hundred sixty-seven thousand, eight hundred one".