8993951 has 2 divisors, whose sum is σ = 8993952. Its totient is φ = 8993950.

The previous prime is 8993939. The next prime is 8993977. The reversal of 8993951 is 1593998.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8993951 - 2¹⁰ = 8992927 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8993921) 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 as a sum of consecutive naturals, namely, 4496975 + 4496976.

It is an arithmetic number, because the mean of its divisors is an integer number (4496976).

Almost surely, 2^8993951 is an apocalyptic number.

8993951 is a deficient number, since it is larger than the sum of its proper divisors (1).

8993951 is an equidigital number, since it uses as much as digits as its factorization.

8993951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 44.

The square root of 8993951 is about 2998.9916638764. The cubic root of 8993951 is about 207.9617702792.

The spelling of 8993951 in words is "eight million, nine hundred ninety-three thousand, nine hundred fifty-one".