8955409 has 4 divisors (see below), whose sum is σ = 8961904. Its totient is φ = 8948916.

The previous prime is 8955407. The next prime is 8955431. The reversal of 8955409 is 9045598.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8955409 - 2¹ = 8955407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8955407) 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, 267 + ... + 4240.

It is an arithmetic number, because the mean of its divisors is an integer number (2240476).

Almost surely, 2^8955409 is an apocalyptic number.

It is an amenable number.

8955409 is a deficient number, since it is larger than the sum of its proper divisors (6495).

8955409 is a wasteful number, since it uses less digits than its factorization.

8955409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6494.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 8955409 is about 2992.5589384338. The cubic root of 8955409 is about 207.6642836973.

Adding to 8955409 its product of nonzero digits (64800), we get a palindrome (9020209).

The spelling of 8955409 in words is "eight million, nine hundred fifty-five thousand, four hundred nine".