2185601 has 8 divisors (see below), whose sum is σ = 2395008. Its totient is φ = 1978000.

The previous prime is 2185577. The next prime is 2185619. The reversal of 2185601 is 1065812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2185601 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2185661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4511 + ... + 4971.

It is an arithmetic number, because the mean of its divisors is an integer number (299376).

2^2185601 is an apocalyptic number.

It is an amenable number.

2185601 is a deficient number, since it is larger than the sum of its proper divisors (209407).

2185601 is a wasteful number, since it uses less digits than its factorization.

2185601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 2185601 is about 1478.3778272147. The cubic root of 2185601 is about 129.7747776852.

The spelling of 2185601 in words is "two million, one hundred eighty-five thousand, six hundred one".