2647449 has 12 divisors (see below), whose sum is σ = 4370496. Its totient is φ = 1512792.

The previous prime is 2647429. The next prime is 2647459. The reversal of 2647449 is 9447462.

2647449 is a `hidden beast` number, since 2 + 647 + 4 + 4 + 9 = 666.

It is not a de Polignac number, because 2647449 - 2⁷ = 2647321 is a prime.

2647449 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2647429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20949 + ... + 21074.

It is an arithmetic number, because the mean of its divisors is an integer number (364208).

2^2647449 is an apocalyptic number.

It is an amenable number.

2647449 is a deficient number, since it is larger than the sum of its proper divisors (1723047).

2647449 is a wasteful number, since it uses less digits than its factorization.

2647449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42036 (or 42033 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 2647449 is about 1627.0983375322. The cubic root of 2647449 is about 138.3383317818.

The spelling of 2647449 in words is "two million, six hundred forty-seven thousand, four hundred forty-nine".