8489951 has 2 divisors, whose sum is σ = 8489952. Its totient is φ = 8489950.

The previous prime is 8489947. The next prime is 8489969. The reversal of 8489951 is 1599848.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8489951 - 2² = 8489947 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8489251) 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, 4244975 + 4244976.

It is an arithmetic number, because the mean of its divisors is an integer number (4244976).

Almost surely, 2^8489951 is an apocalyptic number.

8489951 is a deficient number, since it is larger than the sum of its proper divisors (1).

8489951 is an equidigital number, since it uses as much as digits as its factorization.

8489951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 44.

The square root of 8489951 is about 2913.7520484763. The cubic root of 8489951 is about 204.0022987694.

The spelling of 8489951 in words is "eight million, four hundred eighty-nine thousand, nine hundred fifty-one".