2664249 has 16 divisors (see below), whose sum is σ = 4083072. Its totient is φ = 1513728.

The previous prime is 2664247. The next prime is 2664253. The reversal of 2664249 is 9424662.

It is a happy number.

2664249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2664249 - 2¹ = 2664247 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 6⁵ + 6⁷ + 4⁷ + 2²¹ + 4⁹ + 9³ .

It is not an unprimeable number, because it can be changed into a prime (2664241) 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 15 ways as a sum of consecutive naturals, for example, 5937 + ... + 6369.

It is an arithmetic number, because the mean of its divisors is an integer number (255192).

2^2664249 is an apocalyptic number.

It is an amenable number.

2664249 is a deficient number, since it is larger than the sum of its proper divisors (1418823).

2664249 is a wasteful number, since it uses less digits than its factorization.

2664249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736.

The product of its digits is 20736, while the sum is 33.

The square root of 2664249 is about 1632.2527377830. The cubic root of 2664249 is about 138.6303342878.

The spelling of 2664249 in words is "two million, six hundred sixty-four thousand, two hundred forty-nine".