2854909 has 4 divisors (see below), whose sum is σ = 2859804. Its totient is φ = 2850016.

The previous prime is 2854903. The next prime is 2854919. The reversal of 2854909 is 9094582.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2732409 + 122500 = 1653^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 2854909 - 2⁷ = 2854781 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 (2854903) 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, 1432 + ... + 2785.

It is an arithmetic number, because the mean of its divisors is an integer number (714951).

2^2854909 is an apocalyptic number.

It is an amenable number.

2854909 is a deficient number, since it is larger than the sum of its proper divisors (4895).

2854909 is an equidigital number, since it uses as much as digits as its factorization.

2854909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4894.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 2854909 is about 1689.6475963940. The cubic root of 2854909 is about 141.8613504823.

The spelling of 2854909 in words is "two million, eight hundred fifty-four thousand, nine hundred nine".