996404 has 12 divisors (see below), whose sum is σ = 1846404. Its totient is φ = 468864.

The previous prime is 996403. The next prime is 996407. The reversal of 996404 is 404699.

It is a happy number.

996404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 792100 + 204304 = 890^2 + 452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996403) 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, 7259 + ... + 7394.

It is an arithmetic number, because the mean of its divisors is an integer number (153867).

2⁹⁹⁶⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

996404 is a deficient number, since it is larger than the sum of its proper divisors (850000).

996404 is a wasteful number, since it uses less digits than its factorization.

996404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14674 (or 14672 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 996404 is about 998.2003806852. The cubic root of 996404 is about 99.8799893654.

The spelling of 996404 in words is "nine hundred ninety-six thousand, four hundred four".