801879 has 16 divisors (see below), whose sum is σ = 1192800. Its totient is φ = 475776.

The previous prime is 801859. The next prime is 801883. The reversal of 801879 is 978108.

It is a de Polignac number, because none of the positive numbers 2^k-801879 is a prime.

801879 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777 + ... + 1485.

It is an arithmetic number, because the mean of its divisors is an integer number (74550).

2⁸⁰¹⁸⁷⁹ is an apocalyptic number.

801879 is a deficient number, since it is larger than the sum of its proper divisors (390921).

801879 is a wasteful number, since it uses less digits than its factorization.

801879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 801879 is about 895.4769678780. The cubic root of 801879 is about 92.9043993895.

The spelling of 801879 in words is "eight hundred one thousand, eight hundred seventy-nine".