501879 has 8 divisors (see below), whose sum is σ = 764800. Its totient is φ = 286776.

The previous prime is 501863. The next prime is 501889. The reversal of 501879 is 978105.

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

It is not a de Polignac number, because 501879 - 2⁴ = 501863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11929 + ... + 11970.

It is an arithmetic number, because the mean of its divisors is an integer number (95600).

2⁵⁰¹⁸⁷⁹ is an apocalyptic number.

501879 is a deficient number, since it is larger than the sum of its proper divisors (262921).

501879 is a wasteful number, since it uses less digits than its factorization.

501879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23909.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 501879 is about 708.4341888983. The cubic root of 501879 is about 79.4693525316.

The spelling of 501879 in words is "five hundred one thousand, eight hundred seventy-nine".