8899813 has 8 divisors (see below), whose sum is σ = 9766008. Its totient is φ = 8059584.

The previous prime is 8899801. The next prime is 8899819. The reversal of 8899813 is 3189988.

8899813 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 964324 + 7935489 = 982^2 + 2817^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8899813 - 2¹³ = 8891621 is a prime.

It is a Duffinian number.

8899813 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8899819) 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 in 7 ways as a sum of consecutive naturals, for example, 5770 + ... + 7147.

It is an arithmetic number, because the mean of its divisors is an integer number (1220751).

Almost surely, 2^8899813 is an apocalyptic number.

It is an amenable number.

8899813 is a deficient number, since it is larger than the sum of its proper divisors (866195).

8899813 is a wasteful number, since it uses less digits than its factorization.

8899813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12983.

The product of its digits is 124416, while the sum is 46.

The square root of 8899813 is about 2983.2554365994. The cubic root of 8899813 is about 207.2336583738.

The spelling of 8899813 in words is "eight million, eight hundred ninety-nine thousand, eight hundred thirteen".