2185488 has 40 divisors (see below), whose sum is σ = 6274400. Its totient is φ = 728352.

The previous prime is 2185481. The next prime is 2185493. The reversal of 2185488 is 8845812.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (2185481) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2098 + ... + 2961.

It is an arithmetic number, because the mean of its divisors is an integer number (156860).

2^2185488 is an apocalyptic number.

It is an amenable number.

2185488 is an abundant number, since it is smaller than the sum of its proper divisors (4088912).

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

2185488 is a wasteful number, since it uses less digits than its factorization.

2185488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076 (or 5064 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 2185488 is about 1478.3396091562. The cubic root of 2185488 is about 129.7725411070.

The spelling of 2185488 in words is "two million, one hundred eighty-five thousand, four hundred eighty-eight".