994453 has 2 divisors, whose sum is σ = 994454. Its totient is φ = 994452.

The previous prime is 994447. The next prime is 994457. The reversal of 994453 is 354499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 762129 + 232324 = 873^2 + 482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994453 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994457) 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 as a sum of consecutive naturals, namely, 497226 + 497227.

It is an arithmetic number, because the mean of its divisors is an integer number (497227).

2⁹⁹⁴⁴⁵³ is an apocalyptic number.

It is an amenable number.

994453 is a deficient number, since it is larger than the sum of its proper divisors (1).

994453 is an equidigital number, since it uses as much as digits as its factorization.

994453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 34.

The square root of 994453 is about 997.2226431444. Note that the first 3 decimals coincide. The cubic root of 994453 is about 99.8147570624.

The spelling of 994453 in words is "nine hundred ninety-four thousand, four hundred fifty-three".