2299648 has 36 divisors (see below), whose sum is σ = 4950568. Its totient is φ = 1059840.

The previous prime is 2299637. The next prime is 2299651. The reversal of 2299648 is 8469922.

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁷ + 9² + 9⁵ + 6 + 4⁶ + 8⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 2299648.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2983 + ... + 3673.

2^2299648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2299648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2475284).

2299648 is an abundant number, since it is smaller than the sum of its proper divisors (2650920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2299648 is an equidigital number, since it uses as much as digits as its factorization.

2299648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 706 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 2299648 is about 1516.4590334064. The cubic root of 2299648 is about 131.9938778918.

The spelling of 2299648 in words is "two million, two hundred ninety-nine thousand, six hundred forty-eight".