3611868 has 48 divisors (see below), whose sum is σ = 9196320. Its totient is φ = 1103232.

The previous prime is 3611849. The next prime is 3611869. The reversal of 3611868 is 8681163.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3611869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26296 + ... + 26432.

It is an arithmetic number, because the mean of its divisors is an integer number (191590).

Almost surely, 2^3611868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3611868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4598160).

3611868 is an abundant number, since it is smaller than the sum of its proper divisors (5584452).

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

3611868 is a wasteful number, since it uses less digits than its factorization.

3611868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 155 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 3611868 is about 1900.4915153717. The cubic root of 3611868 is about 153.4301195286.

The spelling of 3611868 in words is "three million, six hundred eleven thousand, eight hundred sixty-eight".