994694688 has 384 divisors, whose sum is σ = 3386880000. Its totient is φ = 281428992.

The previous prime is 994694683. The next prime is 994694711. The reversal of 994694688 is 886496499.

994694688 is a `hidden beast` number, since 99 + 469 + 4 + 6 + 88 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994694681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12591033 + ... + 12591111.

It is an arithmetic number, because the mean of its divisors is an integer number (8820000).

Almost surely, 2^994694688 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 994694688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1693440000).

994694688 is an abundant number, since it is smaller than the sum of its proper divisors (2392185312).

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

994694688 is a wasteful number, since it uses less digits than its factorization.

994694688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 175 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 63.

The square root of 994694688 is about 31538.7806993232. The cubic root of 994694688 is about 998.2284260457.

The spelling of 994694688 in words is "nine hundred ninety-four million, six hundred ninety-four thousand, six hundred eighty-eight".