3708666 has 48 divisors (see below), whose sum is σ = 8989344. Its totient is φ = 1139184.

The previous prime is 3708643. The next prime is 3708673. The reversal of 3708666 is 6668073.

It is a happy number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3¹³ + 7³ + 0 + 8⁷ + 6⁴ + 6⁵ + 6⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 3708666.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6025 + ... + 6611.

It is an arithmetic number, because the mean of its divisors is an integer number (187278).

Almost surely, 2^3708666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3708666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4494672).

3708666 is an abundant number, since it is smaller than the sum of its proper divisors (5280678).

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

3708666 is a wasteful number, since it uses less digits than its factorization.

3708666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 3708666 is about 1925.7897081457. The cubic root of 3708666 is about 154.7886957673.

The spelling of 3708666 in words is "three million, seven hundred eight thousand, six hundred sixty-six".