801867 has 18 divisors (see below), whose sum is σ = 1200724. Its totient is φ = 475640.

The previous prime is 801859. The next prime is 801883. The reversal of 801867 is 768108.

801867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 801867 - 2³ = 801859 is a prime.

It is a Duffinian number.

801867 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (801817) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17038 + ... + 17084.

2⁸⁰¹⁸⁶⁷ is an apocalyptic number.

801867 is a deficient number, since it is larger than the sum of its proper divisors (398857).

801867 is a wasteful number, since it uses less digits than its factorization.

801867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 61 counting only the distinct ones).

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

The square root of 801867 is about 895.4702675131. The cubic root of 801867 is about 92.9039359537.

Multiplying 801867 by its reverse (768108), we get a square (615920457636 = 784806²).

The spelling of 801867 in words is "eight hundred one thousand, eight hundred sixty-seven".