8419813 has 2 divisors, whose sum is σ = 8419814. Its totient is φ = 8419812.

The previous prime is 8419783. The next prime is 8419843. The reversal of 8419813 is 3189148.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (8419783) and next prime (8419843).

It can be written as a sum of positive squares in only one way, i.e., 5536609 + 2883204 = 2353^2 + 1698^2 .

It is a cyclic number.

It is not a de Polignac number, because 8419813 - 2¹³ = 8411621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8419843) 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, 4209906 + 4209907.

It is an arithmetic number, because the mean of its divisors is an integer number (4209907).

Almost surely, 2^8419813 is an apocalyptic number.

It is an amenable number.

8419813 is a deficient number, since it is larger than the sum of its proper divisors (1).

8419813 is an equidigital number, since it uses as much as digits as its factorization.

8419813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 34.

The square root of 8419813 is about 2901.6914033026. The cubic root of 8419813 is about 203.4389701625.

The spelling of 8419813 in words is "eight million, four hundred nineteen thousand, eight hundred thirteen".