2185996 has 36 divisors (see below), whose sum is σ = 4263616. Its totient is φ = 979200.

The previous prime is 2185987. The next prime is 2185999. The reversal of 2185996 is 6995812.

2185996 = T₁₂₅ + T₁₂₆ + ... + T₂₄₆.

It is not an unprimeable number, because it can be changed into a prime (2185999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35806 + ... + 35866.

2^2185996 is an apocalyptic number.

It is an amenable number.

2185996 is a deficient number, since it is larger than the sum of its proper divisors (2077620).

2185996 is a wasteful number, since it uses less digits than its factorization.

2185996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 111 counting only the distinct ones).

The product of its digits is 38880, while the sum is 40.

The square root of 2185996 is about 1478.5114135508. The cubic root of 2185996 is about 129.7825952068.

The spelling of 2185996 in words is "two million, one hundred eighty-five thousand, nine hundred ninety-six".