8990939 has 2 divisors, whose sum is σ = 8990940. Its totient is φ = 8990938.

The previous prime is 8990929. The next prime is 8990981. The reversal of 8990939 is 9390998.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8990939 - 2¹² = 8986843 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8990893 and 8990902.

It is not a weakly prime, because it can be changed into another prime (8990929) 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, 4495469 + 4495470.

It is an arithmetic number, because the mean of its divisors is an integer number (4495470).

Almost surely, 2^8990939 is an apocalyptic number.

8990939 is a deficient number, since it is larger than the sum of its proper divisors (1).

8990939 is an equidigital number, since it uses as much as digits as its factorization.

8990939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 8990939 is about 2998.4894530413. The cubic root of 8990939 is about 207.9385527934.

The spelling of 8990939 in words is "eight million, nine hundred ninety thousand, nine hundred thirty-nine".