8994559 has 4 divisors (see below), whose sum is σ = 10279504. Its totient is φ = 7709616.

The previous prime is 8994533. The next prime is 8994563. The reversal of 8994559 is 9554998.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9554998 = 2 ⋅4777499.

It is a cyclic number.

It is not a de Polignac number, because 8994559 - 2¹⁵ = 8961791 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8994509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642462 + ... + 642475.

It is an arithmetic number, because the mean of its divisors is an integer number (2569876).

Almost surely, 2^8994559 is an apocalyptic number.

8994559 is a deficient number, since it is larger than the sum of its proper divisors (1284945).

8994559 is a wasteful number, since it uses less digits than its factorization.

8994559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284944.

The product of its digits is 583200, while the sum is 49.

The square root of 8994559 is about 2999.0930295674. The cubic root of 8994559 is about 207.9664563141.

Adding to 8994559 its product of digits (583200), we get a palindrome (9577759).

The spelling of 8994559 in words is "eight million, nine hundred ninety-four thousand, five hundred fifty-nine".