994549 has 2 divisors, whose sum is σ = 994550. Its totient is φ = 994548.

The previous prime is 994501. The next prime is 994559. The reversal of 994549 is 945499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 734449 + 260100 = 857^2 + 510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994549 is a prime.

It is a zygodrome in base 5.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994559) 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 as a sum of consecutive naturals, namely, 497274 + 497275.

It is an arithmetic number, because the mean of its divisors is an integer number (497275).

2⁹⁹⁴⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

994549 is a deficient number, since it is larger than the sum of its proper divisors (1).

994549 is an equidigital number, since it uses as much as digits as its factorization.

994549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 40.

The square root of 994549 is about 997.2707756673. The cubic root of 994549 is about 99.8179688477.

The spelling of 994549 in words is "nine hundred ninety-four thousand, five hundred forty-nine".