994739 has 4 divisors (see below), whose sum is σ = 1003656. Its totient is φ = 985824.

The previous prime is 994723. The next prime is 994751. The reversal of 994739 is 937499.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 937499 = 17 ⋅55147.

It is a cyclic number.

It is not a de Polignac number, because 994739 - 2⁴ = 994723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 994696 and 994705.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 994739.

It is not an unprimeable number, because it can be changed into a prime (994709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4289 + ... + 4514.

It is an arithmetic number, because the mean of its divisors is an integer number (250914).

2⁹⁹⁴⁷³⁹ is an apocalyptic number.

994739 is a deficient number, since it is larger than the sum of its proper divisors (8917).

994739 is a wasteful number, since it uses less digits than its factorization.

994739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8916.

The product of its digits is 61236, while the sum is 41.

The square root of 994739 is about 997.3660311039. The cubic root of 994739 is about 99.8243248966.

The spelling of 994739 in words is "nine hundred ninety-four thousand, seven hundred thirty-nine".