8996409 has 12 divisors (see below), whose sum is σ = 13443300. Its totient is φ = 5790624.

The previous prime is 8996401. The next prime is 8996419. The reversal of 8996409 is 9046998.

8996409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5076009 + 3920400 = 2253^2 + 1980^2 .

It is not a de Polignac number, because 8996409 - 2³ = 8996401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8996401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16974 + ... + 17495.

It is an arithmetic number, because the mean of its divisors is an integer number (1120275).

Almost surely, 2^8996409 is an apocalyptic number.

It is an amenable number.

8996409 is a deficient number, since it is larger than the sum of its proper divisors (4446891).

8996409 is a wasteful number, since it uses less digits than its factorization.

8996409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34504 (or 34501 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 8996409 is about 2999.4014402877. The cubic root of 8996409 is about 207.9807135101.

The spelling of 8996409 in words is "eight million, nine hundred ninety-six thousand, four hundred nine".