2649447 has 6 divisors (see below), whose sum is σ = 3826992. Its totient is φ = 1766292.

The previous prime is 2649431. The next prime is 2649473. The reversal of 2649447 is 7449462.

2649447 is a `hidden beast` number, since 2 + 649 + 4 + 4 + 7 = 666.

It is not a de Polignac number, because 2649447 - 2⁴ = 2649431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649487) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147183 + ... + 147200.

It is an arithmetic number, because the mean of its divisors is an integer number (637832).

2^2649447 is an apocalyptic number.

2649447 is a deficient number, since it is larger than the sum of its proper divisors (1177545).

2649447 is a wasteful number, since it uses less digits than its factorization.

2649447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294389 (or 294386 counting only the distinct ones).

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

The square root of 2649447 is about 1627.7121981481. The cubic root of 2649447 is about 138.3731238255.

The spelling of 2649447 in words is "two million, six hundred forty-nine thousand, four hundred forty-seven".