828887 has 4 divisors (see below), whose sum is σ = 834600. Its totient is φ = 823176.

The previous prime is 828881. The next prime is 828889. The reversal of 828887 is 788828.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 828887 - 2⁴ = 828871 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 (828881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2633 + ... + 2930.

It is an arithmetic number, because the mean of its divisors is an integer number (208650).

2⁸²⁸⁸⁸⁷ is an apocalyptic number.

828887 is a deficient number, since it is larger than the sum of its proper divisors (5713).

828887 is a wasteful number, since it uses less digits than its factorization.

828887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5712.

The product of its digits is 57344, while the sum is 41.

The square root of 828887 is about 910.4323148922. The cubic root of 828887 is about 93.9359379414.

The spelling of 828887 in words is "eight hundred twenty-eight thousand, eight hundred eighty-seven".