8950009 has 4 divisors (see below), whose sum is σ = 9258660. Its totient is φ = 8641360.

The previous prime is 8950001. The next prime is 8950027. The reversal of 8950009 is 9000598.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9000598 = 2 ⋅4500299.

It can be written as a sum of positive squares in 2 ways, for example, as 2839225 + 6110784 = 1685^2 + 2472^2 .

It is a cyclic number.

It is not a de Polignac number, because 8950009 - 2³ = 8950001 is a prime.

It is a super-2 number, since 2×8950009² = 160205322200162, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8950001) 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, 154282 + ... + 154339.

It is an arithmetic number, because the mean of its divisors is an integer number (2314665).

Almost surely, 2^8950009 is an apocalyptic number.

It is an amenable number.

8950009 is a deficient number, since it is larger than the sum of its proper divisors (308651).

8950009 is a wasteful number, since it uses less digits than its factorization.

8950009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308650.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 8950009 is about 2991.6565645140. The cubic root of 8950009 is about 207.6225356468.

The spelling of 8950009 in words is "eight million, nine hundred fifty thousand, nine".