994406 has 24 divisors (see below), whose sum is σ = 1771560. Its totient is φ = 417312.

The previous prime is 994393. The next prime is 994417. The reversal of 994406 is 604499.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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 994406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7085 + ... + 7223.

It is an arithmetic number, because the mean of its divisors is an integer number (73815).

2⁹⁹⁴⁴⁰⁶ is an apocalyptic number.

994406 is a deficient number, since it is larger than the sum of its proper divisors (777154).

994406 is a wasteful number, since it uses less digits than its factorization.

994406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 221 counting only the distinct ones).

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

The square root of 994406 is about 997.1990774163. The cubic root of 994406 is about 99.8131845505.

The spelling of 994406 in words is "nine hundred ninety-four thousand, four hundred six".