1000994 has 16 divisors (see below), whose sum is σ = 1620000.
Its totient is φ = 462144.
The previous prime is 1000981. The next prime is 1000999. The reversal of 1000994 is 4990001.
It is not an unprimeable number, because it can be changed into a prime (1000999) 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, 1757 + ... + 2255.
It is an arithmetic number, because the mean of its divisors is an integer number (101250).
21000994 is an apocalyptic number.
1000994 is a deficient number, since it is larger than the sum of its proper divisors (619006).
1000994 is a wasteful number, since it uses less digits than its factorization.
1000994 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 577.
The product of its (nonzero) digits is 324, while the sum is 23.
The square root of 1000994 is about 1000.4968765568.
The cubic root of 1000994 is about 100.0331223612.
Adding to 1000994 its reverse (4990001), we get a palindrome (5990995).
The spelling of 1000994 in words is "one million, nine hundred ninety-four", and thus it is an aban number.