826887 has 8 divisors (see below), whose sum is σ = 1113840. Its totient is φ = 545600.

The previous prime is 826883. The next prime is 826907. The reversal of 826887 is 788628.

826887 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 826887 - 2² = 826883 is a prime.

It is a super-2 number, since 2×826887² = 1367484221538, which contains 22 as substring.

It is a d-powerful number, because it can be written as 8³ + 2⁹ + 8³ + 6⁴ + 8³ + 7⁷ .

826887 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 826887.

It is not an unprimeable number, because it can be changed into a prime (826883) 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, 1062 + ... + 1667.

It is an arithmetic number, because the mean of its divisors is an integer number (139230).

2⁸²⁶⁸⁸⁷ is an apocalyptic number.

826887 is a deficient number, since it is larger than the sum of its proper divisors (286953).

826887 is a wasteful number, since it uses less digits than its factorization.

826887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833.

The product of its digits is 43008, while the sum is 39.

The square root of 826887 is about 909.3332722385. Note that the first 3 decimals coincide. The cubic root of 826887 is about 93.8603252292.

The spelling of 826887 in words is "eight hundred twenty-six thousand, eight hundred eighty-seven".