8494987 has 2 divisors, whose sum is σ = 8494988. Its totient is φ = 8494986.

The previous prime is 8494979. The next prime is 8495029. The reversal of 8494987 is 7894948.

8494987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8494987 - 2³ = 8494979 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8494987.

It is not a weakly prime, because it can be changed into another prime (8494487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4247493 + 4247494.

It is an arithmetic number, because the mean of its divisors is an integer number (4247494).

Almost surely, 2^8494987 is an apocalyptic number.

8494987 is a deficient number, since it is larger than the sum of its proper divisors (1).

8494987 is an equidigital number, since it uses as much as digits as its factorization.

8494987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 49.

The square root of 8494987 is about 2914.6160982195. The cubic root of 8494987 is about 204.0426269374.

The spelling of 8494987 in words is "eight million, four hundred ninety-four thousand, nine hundred eighty-seven".