994000000 has 224 divisors, whose sum is σ = 2868713280. Its totient is φ = 336000000.

The previous prime is 993999983. The next prime is 994000037. The reversal of 994000000 is 499.

It is a tau number, because it is divible by the number of its divisors (224).

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 13999965 + ... + 14000035.

Almost surely, 2^994000000 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 994000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1434356640).

994000000 is an abundant number, since it is smaller than the sum of its proper divisors (1874713280).

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

994000000 is an frugal number, since it uses more digits than its factorization.

994000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 994000000 is about 31527.7655408689. The cubic root of 994000000 is about 997.9959866131.

Adding to 994000000 its reverse (499), we get a palindrome (994000499).

The spelling of 994000000 in words is "nine hundred ninety-four million", and thus it is an aban number.