2809452 has 12 divisors (see below), whose sum is σ = 6555416. Its totient is φ = 936480.

The previous prime is 2809451. The next prime is 2809453. The reversal of 2809452 is 2549082.

It is an interprime number because it is at equal distance from previous prime (2809451) and next prime (2809453).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2809451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117049 + ... + 117072.

2^2809452 is an apocalyptic number.

It is an amenable number.

2809452 is an abundant number, since it is smaller than the sum of its proper divisors (3745964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2809452 is a wasteful number, since it uses less digits than its factorization.

2809452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234128 (or 234126 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2809452 is about 1676.1419987579. The cubic root of 2809452 is about 141.1043942950.

The spelling of 2809452 in words is "two million, eight hundred nine thousand, four hundred fifty-two".