3613666 has 8 divisors (see below), whose sum is σ = 6194880. Its totient is φ = 1548708.

The previous prime is 3613663. The next prime is 3613681. The reversal of 3613666 is 6663163.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3613663) 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, 129046 + ... + 129073.

It is an arithmetic number, because the mean of its divisors is an integer number (774360).

Almost surely, 2^3613666 is an apocalyptic number.

3613666 is a deficient number, since it is larger than the sum of its proper divisors (2581214).

3613666 is a wasteful number, since it uses less digits than its factorization.

3613666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258128.

The product of its digits is 11664, while the sum is 31.

The square root of 3613666 is about 1900.9644920408. The cubic root of 3613666 is about 153.4555746479.

The spelling of 3613666 in words is "three million, six hundred thirteen thousand, six hundred sixty-six".