2286648 has 96 divisors (see below), whose sum is σ = 7644000. Its totient is φ = 601344.

The previous prime is 2286629. The next prime is 2286649. The reversal of 2286648 is 8466822.

2286648 is a `hidden beast` number, since 2 + 2 + 8 + 6 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 (2286649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6378 + ... + 6726.

It is an arithmetic number, because the mean of its divisors is an integer number (79625).

2^2286648 is an apocalyptic number.

2286648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2286648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3822000).

2286648 is an abundant number, since it is smaller than the sum of its proper divisors (5357352).

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

2286648 is a wasteful number, since it uses less digits than its factorization.

2286648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 374 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 2286648 is about 1512.1666574819. The cubic root of 2286648 is about 131.7446855525.

The spelling of 2286648 in words is "two million, two hundred eighty-six thousand, six hundred forty-eight".