2811248 has 20 divisors (see below), whose sum is σ = 5942328. Its totient is φ = 1277760.

The previous prime is 2811241. The next prime is 2811257. The reversal of 2811248 is 8421182.

2811248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2811241) 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, 7811 + ... + 8162.

2^2811248 is an apocalyptic number.

It is an amenable number.

2811248 is an abundant number, since it is smaller than the sum of its proper divisors (3131080).

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

2811248 is a wasteful number, since it uses less digits than its factorization.

2811248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15992 (or 15986 counting only the distinct ones).

The product of its digits is 1024, while the sum is 26.

The square root of 2811248 is about 1676.6776672933. The cubic root of 2811248 is about 141.1344558526.

The spelling of 2811248 in words is "two million, eight hundred eleven thousand, two hundred forty-eight".