814881 has 8 divisors (see below), whose sum is σ = 1094400. Its totient is φ = 539312.

The previous prime is 814873. The next prime is 814883. The reversal of 814881 is 188418.

814881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 814881 - 2³ = 814873 is a prime.

It is a super-2 number, since 2×814881² = 1328062088322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (814883) 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, 465 + ... + 1358.

It is an arithmetic number, because the mean of its divisors is an integer number (136800).

2⁸¹⁴⁸⁸¹ is an apocalyptic number.

It is an amenable number.

814881 is a deficient number, since it is larger than the sum of its proper divisors (279519).

814881 is a wasteful number, since it uses less digits than its factorization.

814881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975.

The product of its digits is 2048, while the sum is 30.

The square root of 814881 is about 902.7075938531. The cubic root of 814881 is about 93.4038398646.

The spelling of 814881 in words is "eight hundred fourteen thousand, eight hundred eighty-one".