804881 has 8 divisors (see below), whose sum is σ = 1003584. Its totient is φ = 627120.

The previous prime is 804877. The next prime is 804889. The reversal of 804881 is 188408.

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 804881 - 2² = 804877 is a prime.

It is a super-2 number, since 2×804881² = 1295666848322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 804881.

It is not an unprimeable number, because it can be changed into a prime (804889) 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, 5150 + ... + 5303.

It is an arithmetic number, because the mean of its divisors is an integer number (125448).

2⁸⁰⁴⁸⁸¹ is an apocalyptic number.

It is an amenable number.

804881 is a deficient number, since it is larger than the sum of its proper divisors (198703).

804881 is a wasteful number, since it uses less digits than its factorization.

804881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10471.

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 804881 is about 897.1516036880. The cubic root of 804881 is about 93.0201906291.

The spelling of 804881 in words is "eight hundred four thousand, eight hundred eighty-one".