994188 has 24 divisors (see below), whose sum is σ = 2498608. Its totient is φ = 305856.

The previous prime is 994183. The next prime is 994193. The reversal of 994188 is 881499.

It is an interprime number because it is at equal distance from previous prime (994183) and next prime (994193).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 994188.

It is not an unprimeable number, because it can be changed into a prime (994181) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3031 + ... + 3342.

2⁹⁹⁴¹⁸⁸ is an apocalyptic number.

It is an amenable number.

994188 is an abundant number, since it is smaller than the sum of its proper divisors (1504420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

994188 is a wasteful number, since it uses less digits than its factorization.

994188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393 (or 6391 counting only the distinct ones).

The product of its digits is 20736, while the sum is 39.

The square root of 994188 is about 997.0897652669. The cubic root of 994188 is about 99.8058901240.

The spelling of 994188 in words is "nine hundred ninety-four thousand, one hundred eighty-eight".