994826449 has 2 divisors, whose sum is σ = 994826450. Its totient is φ = 994826448.

The previous prime is 994826447. The next prime is 994826461. The reversal of 994826449 is 944628499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 520980625 + 473845824 = 22825^2 + 21768^2 .

It is a cyclic number.

It is not a de Polignac number, because 994826449 - 2¹ = 994826447 is a prime.

Together with 994826447, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 994826449.

It is not a weakly prime, because it can be changed into another prime (994826447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497413224 + 497413225.

It is an arithmetic number, because the mean of its divisors is an integer number (497413225).

Almost surely, 2^994826449 is an apocalyptic number.

It is an amenable number.

994826449 is a deficient number, since it is larger than the sum of its proper divisors (1).

994826449 is an equidigital number, since it uses as much as digits as its factorization.

994826449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4478976, while the sum is 55.

The square root of 994826449 is about 31540.8695029164. The cubic root of 994826449 is about 998.2725004638.

The spelling of 994826449 in words is "nine hundred ninety-four million, eight hundred twenty-six thousand, four hundred forty-nine".