8996389 has 2 divisors, whose sum is σ = 8996390. Its totient is φ = 8996388.

The previous prime is 8996371. The next prime is 8996401. The reversal of 8996389 is 9836998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7935489 + 1060900 = 2817^2 + 1030^2 .

It is a cyclic number.

It is not a de Polignac number, because 8996389 - 2⁵ = 8996357 is a prime.

8996389 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8996359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4498194 + 4498195.

It is an arithmetic number, because the mean of its divisors is an integer number (4498195).

Almost surely, 2^8996389 is an apocalyptic number.

It is an amenable number.

8996389 is a deficient number, since it is larger than the sum of its proper divisors (1).

8996389 is an equidigital number, since it uses as much as digits as its factorization.

8996389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 52.

The square root of 8996389 is about 2999.3981062873. The cubic root of 8996389 is about 207.9805593887.

The spelling of 8996389 in words is "eight million, nine hundred ninety-six thousand, three hundred eighty-nine".