8668994 has 4 divisors (see below), whose sum is σ = 13003494. Its totient is φ = 4334496.

The previous prime is 8668993. The next prime is 8669027. The reversal of 8668994 is 4998668.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7924225 + 744769 = 2815^2 + 863^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8668993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2167247 + ... + 2167250.

Almost surely, 2^8668994 is an apocalyptic number.

8668994 is a deficient number, since it is larger than the sum of its proper divisors (4334500).

8668994 is a wasteful number, since it uses less digits than its factorization.

8668994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4334499.

The product of its digits is 746496, while the sum is 50.

The square root of 8668994 is about 2944.3155401553. The cubic root of 8668994 is about 205.4263899292.

The spelling of 8668994 in words is "eight million, six hundred sixty-eight thousand, nine hundred ninety-four".