994947 has 8 divisors (see below), whose sum is σ = 1359120. Its totient is φ = 647040.

The previous prime is 994933. The next prime is 994949. The reversal of 994947 is 749499.

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

It is not a de Polignac number, because 994947 - 2⁸ = 994691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 994899 and 994908.

It is not an unprimeable number, because it can be changed into a prime (994949) 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, 3922 + ... + 4167.

It is an arithmetic number, because the mean of its divisors is an integer number (169890).

2⁹⁹⁴⁹⁴⁷ is an apocalyptic number.

994947 is a deficient number, since it is larger than the sum of its proper divisors (364173).

994947 is a wasteful number, since it uses less digits than its factorization.

994947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8133.

The product of its digits is 81648, while the sum is 42.

The square root of 994947 is about 997.4703003097. The cubic root of 994947 is about 99.8312821697.

The spelling of 994947 in words is "nine hundred ninety-four thousand, nine hundred forty-seven".