2469649 has 12 divisors (see below), whose sum is σ = 3094644. Its totient is φ = 1953504.

The previous prime is 2469647. The next prime is 2469653. The reversal of 2469649 is 9469642.

2469649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 490000 + 1979649 = 700^2 + 1407^2 .

It is not a de Polignac number, because 2469649 - 2¹ = 2469647 is a prime.

2469649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2469647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1302 + ... + 2575.

It is an arithmetic number, because the mean of its divisors is an integer number (257887).

2^2469649 is an apocalyptic number.

It is an amenable number.

2469649 is a deficient number, since it is larger than the sum of its proper divisors (624995).

2469649 is a wasteful number, since it uses less digits than its factorization.

2469649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904 (or 3897 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 2469649 is about 1571.5116926068. The cubic root of 2469649 is about 135.1694078105.

The spelling of 2469649 in words is "two million, four hundred sixty-nine thousand, six hundred forty-nine".