827404 has 12 divisors (see below), whose sum is σ = 1472128. Its totient is φ = 406800.

The previous prime is 827389. The next prime is 827417. The reversal of 827404 is 404728.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

827404 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1452 + ... + 1939.

2⁸²⁷⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

827404 is a deficient number, since it is larger than the sum of its proper divisors (644724).

827404 is a wasteful number, since it uses less digits than its factorization.

827404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456 (or 3454 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 827404 is about 909.6175020304. The cubic root of 827404 is about 93.8798827900.

The spelling of 827404 in words is "eight hundred twenty-seven thousand, four hundred four".