994641 has 4 divisors (see below), whose sum is σ = 1326192. Its totient is φ = 663092.

The previous prime is 994621. The next prime is 994657. The reversal of 994641 is 146499.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 994641 - 2¹⁰ = 993617 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (994621) 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 3 ways as a sum of consecutive naturals, for example, 165771 + ... + 165776.

It is an arithmetic number, because the mean of its divisors is an integer number (331548).

2⁹⁹⁴⁶⁴¹ is an apocalyptic number.

It is an amenable number.

994641 is a deficient number, since it is larger than the sum of its proper divisors (331551).

994641 is a wasteful number, since it uses less digits than its factorization.

994641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331550.

The product of its digits is 7776, while the sum is 33.

The square root of 994641 is about 997.3169004885. The cubic root of 994641 is about 99.8210466146.

The spelling of 994641 in words is "nine hundred ninety-four thousand, six hundred forty-one".