801839 has 8 divisors (see below), whose sum is σ = 859248. Its totient is φ = 745600.

The previous prime is 801833. The next prime is 801841. The reversal of 801839 is 938108.

It is a happy number.

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 801839 - 2¹² = 797743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801833) 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 7 ways as a sum of consecutive naturals, for example, 1484 + ... + 1950.

It is an arithmetic number, because the mean of its divisors is an integer number (107406).

2⁸⁰¹⁸³⁹ is an apocalyptic number.

801839 is a deficient number, since it is larger than the sum of its proper divisors (57409).

801839 is a wasteful number, since it uses less digits than its factorization.

801839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 801839 is about 895.4546331334. The cubic root of 801839 is about 92.9028545855.

The spelling of 801839 in words is "eight hundred one thousand, eight hundred thirty-nine".