3666916 has 12 divisors (see below), whose sum is σ = 7000560. Its totient is φ = 1666760.

The previous prime is 3666907. The next prime is 3666919. The reversal of 3666916 is 6196663.

It is not an unprimeable number, because it can be changed into a prime (3666919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41626 + ... + 41713.

It is an arithmetic number, because the mean of its divisors is an integer number (583380).

Almost surely, 2^3666916 is an apocalyptic number.

It is an amenable number.

3666916 is a deficient number, since it is larger than the sum of its proper divisors (3333644).

3666916 is a wasteful number, since it uses less digits than its factorization.

3666916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83354 (or 83352 counting only the distinct ones).

The product of its digits is 34992, while the sum is 37.

The square root of 3666916 is about 1914.9193194493. The cubic root of 3666916 is about 154.2056621427.

The spelling of 3666916 in words is "three million, six hundred sixty-six thousand, nine hundred sixteen".