994003164 has 336 divisors, whose sum is σ = 3437441280. Its totient is φ = 243544320.

The previous prime is 994003147. The next prime is 994003229. The reversal of 994003164 is 461300499.

994003164 is a `hidden beast` number, since 99 + 400 + 3 + 164 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 4265992 + ... + 4266224.

It is an arithmetic number, because the mean of its divisors is an integer number (10230480).

Almost surely, 2^994003164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 994003164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1718720640).

994003164 is an abundant number, since it is smaller than the sum of its proper divisors (2443438116).

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

994003164 is a wasteful number, since it uses less digits than its factorization.

994003164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 994003164 is about 31527.8157188220. The cubic root of 994003164 is about 997.9970455185.

The spelling of 994003164 in words is "nine hundred ninety-four million, three thousand, one hundred sixty-four".