2185648 has 10 divisors (see below), whose sum is σ = 4234724. Its totient is φ = 1092816.

The previous prime is 2185637. The next prime is 2185649. The reversal of 2185648 is 8465812.

It is not an unprimeable number, because it can be changed into a prime (2185649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68286 + ... + 68317.

2^2185648 is an apocalyptic number.

It is an amenable number.

2185648 is a deficient number, since it is larger than the sum of its proper divisors (2049076).

2185648 is a wasteful number, since it uses less digits than its factorization.

2185648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136611 (or 136605 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 2185648 is about 1478.3937229304. The cubic root of 2185648 is about 129.7757079207.

It can be divided in two parts, 21856 and 48, that added together give a square (21904 = 148²).

The spelling of 2185648 in words is "two million, one hundred eighty-five thousand, six hundred forty-eight".