828893 has 4 divisors (see below), whose sum is σ = 892668. Its totient is φ = 765120.

The previous prime is 828889. The next prime is 828899. The reversal of 828893 is 398828.

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

It can be written as a sum of positive squares in 2 ways, for example, as 362404 + 466489 = 602^2 + 683^2 .

It is a cyclic number.

It is not a de Polignac number, because 828893 - 2² = 828889 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 (828899) 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, 31868 + ... + 31893.

It is an arithmetic number, because the mean of its divisors is an integer number (223167).

2⁸²⁸⁸⁹³ is an apocalyptic number.

It is an amenable number.

828893 is a deficient number, since it is larger than the sum of its proper divisors (63775).

828893 is a wasteful number, since it uses less digits than its factorization.

828893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63774.

The product of its digits is 27648, while the sum is 38.

The square root of 828893 is about 910.4356100241. The cubic root of 828893 is about 93.9361645964.

The spelling of 828893 in words is "eight hundred twenty-eight thousand, eight hundred ninety-three".