2248649 has 4 divisors (see below), whose sum is σ = 2421636. Its totient is φ = 2075664.

The previous prime is 2248639. The next prime is 2248651. The reversal of 2248649 is 9468422.

2248649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 198025 + 2050624 = 445^2 + 1432^2 .

It is a cyclic number.

It is not a de Polignac number, because 2248649 - 2⁴ = 2248633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2248639) 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 3 ways as a sum of consecutive naturals, for example, 86474 + ... + 86499.

It is an arithmetic number, because the mean of its divisors is an integer number (605409).

2^2248649 is an apocalyptic number.

It is an amenable number.

2248649 is a deficient number, since it is larger than the sum of its proper divisors (172987).

2248649 is a wasteful number, since it uses less digits than its factorization.

2248649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172986.

The product of its digits is 27648, while the sum is 35.

The square root of 2248649 is about 1499.5495990463. The cubic root of 2248649 is about 131.0108376326.

The spelling of 2248649 in words is "two million, two hundred forty-eight thousand, six hundred forty-nine".