827812 has 6 divisors (see below), whose sum is σ = 1448678. Its totient is φ = 413904.

The previous prime is 827809. The next prime is 827821. The reversal of 827812 is 218728.

It can be written as a sum of positive squares in only one way, i.e., 484416 + 343396 = 696^2 + 586^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103473 + ... + 103480.

2⁸²⁷⁸¹² is an apocalyptic number.

It is an amenable number.

827812 is a deficient number, since it is larger than the sum of its proper divisors (620866).

827812 is a wasteful number, since it uses less digits than its factorization.

827812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206957 (or 206955 counting only the distinct ones).

The product of its digits is 1792, while the sum is 28.

The square root of 827812 is about 909.8417444809. The cubic root of 827812 is about 93.8953112457.

The spelling of 827812 in words is "eight hundred twenty-seven thousand, eight hundred twelve".