994999 has 4 divisors (see below), whose sum is σ = 998200. Its totient is φ = 991800.

The previous prime is 994997. The next prime is 995009. The reversal of 994999 is 999499.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 994999 - 2¹ = 994997 is a prime.

It is a Duffinian number.

994999 is a modest number, since divided by 999 gives 994 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077 + ... + 1774.

It is an arithmetic number, because the mean of its divisors is an integer number (249550).

2⁹⁹⁴⁹⁹⁹ is an apocalyptic number.

994999 is a deficient number, since it is larger than the sum of its proper divisors (3201).

994999 is a wasteful number, since it uses less digits than its factorization.

994999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200.

The product of its digits is 236196, while the sum is 49.

The square root of 994999 is about 997.4963659082. The cubic root of 994999 is about 99.8330213364.

The spelling of 994999 in words is "nine hundred ninety-four thousand, nine hundred ninety-nine".