814887 has 8 divisors (see below), whose sum is σ = 1207280. Its totient is φ = 543240.

The previous prime is 814883. The next prime is 814889. The reversal of 814887 is 788418.

It is not a de Polignac number, because 814887 - 2² = 814883 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

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, 15064 + ... + 15117.

It is an arithmetic number, because the mean of its divisors is an integer number (150910).

2⁸¹⁴⁸⁸⁷ is an apocalyptic number.

814887 is a deficient number, since it is larger than the sum of its proper divisors (392393).

814887 is a wasteful number, since it uses less digits than its factorization.

814887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30190 (or 30184 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 814887 is about 902.7109171822. The cubic root of 814887 is about 93.4040691094.

The spelling of 814887 in words is "eight hundred fourteen thousand, eight hundred eighty-seven".