994589 has 8 divisors (see below), whose sum is σ = 1052352. Its totient is φ = 938080.

The previous prime is 994583. The next prime is 994603. The reversal of 994589 is 985499.

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-994589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 994589.

It is not an unprimeable number, because it can be changed into a prime (994583) 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, 1649 + ... + 2169.

It is an arithmetic number, because the mean of its divisors is an integer number (131544).

2⁹⁹⁴⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

994589 is a deficient number, since it is larger than the sum of its proper divisors (57763).

994589 is a wasteful number, since it uses less digits than its factorization.

994589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627.

The product of its digits is 116640, while the sum is 44.

The square root of 994589 is about 997.2908301995. The cubic root of 994589 is about 99.8193070305.

The spelling of 994589 in words is "nine hundred ninety-four thousand, five hundred eighty-nine".