9005405 has 8 divisors (see below), whose sum is σ = 10824192. Its totient is φ = 7192528.

The previous prime is 9005401. The next prime is 9005429. The reversal of 9005405 is 5045009.

9005405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9005405 - 2² = 9005401 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9005401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3272 + ... + 5358.

It is an arithmetic number, because the mean of its divisors is an integer number (1353024).

Almost surely, 2^9005405 is an apocalyptic number.

It is an amenable number.

9005405 is a deficient number, since it is larger than the sum of its proper divisors (1818787).

9005405 is a wasteful number, since it uses less digits than its factorization.

9005405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 9005405 is about 3000.9006981238. The cubic root of 9005405 is about 208.0500141688.

The spelling of 9005405 in words is "nine million, five thousand, four hundred five".