3666936 has 128 divisors (see below), whose sum is σ = 11934720. Its totient is φ = 912384.

The previous prime is 3666919. The next prime is 3666947. The reversal of 3666936 is 6396663.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 3666894 and 3666903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50196 + ... + 50268.

It is an arithmetic number, because the mean of its divisors is an integer number (93240).

Almost surely, 2^3666936 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 3666936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5967360).

3666936 is an abundant number, since it is smaller than the sum of its proper divisors (8267784).

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

3666936 is a wasteful number, since it uses less digits than its factorization.

3666936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 121 counting only the distinct ones).

The product of its digits is 104976, while the sum is 39.

The square root of 3666936 is about 1914.9245415943. The cubic root of 3666936 is about 154.2059424970.

The spelling of 3666936 in words is "three million, six hundred sixty-six thousand, nine hundred thirty-six".