3716661 has 16 divisors (see below), whose sum is σ = 5379584. Its totient is φ = 2268864.

The previous prime is 3716653. The next prime is 3716663. The reversal of 3716661 is 1666173.

It is not a de Polignac number, because 3716661 - 2³ = 3716653 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3716663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5820 + ... + 6426.

It is an arithmetic number, because the mean of its divisors is an integer number (336224).

Almost surely, 2^3716661 is an apocalyptic number.

It is an amenable number.

3716661 is a deficient number, since it is larger than the sum of its proper divisors (1662923).

3716661 is a wasteful number, since it uses less digits than its factorization.

3716661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780.

The product of its digits is 4536, while the sum is 30.

The square root of 3716661 is about 1927.8643624488. The cubic root of 3716661 is about 154.8998451140.

The spelling of 3716661 in words is "three million, seven hundred sixteen thousand, six hundred sixty-one".