2809448 has 16 divisors (see below), whose sum is σ = 5390880. Its totient is φ = 1371888.

The previous prime is 2809439. The next prime is 2809451. The reversal of 2809448 is 8449082.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3740 + ... + 4427.

It is an arithmetic number, because the mean of its divisors is an integer number (336930).

2^2809448 is an apocalyptic number.

It is an amenable number.

2809448 is a deficient number, since it is larger than the sum of its proper divisors (2581432).

2809448 is a wasteful number, since it uses less digits than its factorization.

2809448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8216 (or 8212 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 2809448 is about 1676.1408055411. The cubic root of 2809448 is about 141.1043273285.

The spelling of 2809448 in words is "two million, eight hundred nine thousand, four hundred forty-eight".