994147 has 8 divisors (see below), whose sum is σ = 1239552. Its totient is φ = 774600.

The previous prime is 994141. The next prime is 994163. The reversal of 994147 is 741499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994147 is a prime.

It is a Duffinian number.

994147 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (994141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6379 + ... + 6532.

It is an arithmetic number, because the mean of its divisors is an integer number (154944).

2⁹⁹⁴¹⁴⁷ is an apocalyptic number.

994147 is a deficient number, since it is larger than the sum of its proper divisors (245405).

994147 is a wasteful number, since it uses less digits than its factorization.

994147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12929.

The product of its digits is 9072, while the sum is 34.

The square root of 994147 is about 997.0692052210. The cubic root of 994147 is about 99.8045181173.

The spelling of 994147 in words is "nine hundred ninety-four thousand, one hundred forty-seven".