3726663 has 4 divisors (see below), whose sum is σ = 4968888. Its totient is φ = 2484440.

The previous prime is 3726661. The next prime is 3726683. The reversal of 3726663 is 3666273.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3726663 - 2¹ = 3726661 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3726661) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 621108 + ... + 621113.

It is an arithmetic number, because the mean of its divisors is an integer number (1242222).

Almost surely, 2^3726663 is an apocalyptic number.

3726663 is a deficient number, since it is larger than the sum of its proper divisors (1242225).

3726663 is a wasteful number, since it uses less digits than its factorization.

3726663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242224.

The product of its digits is 27216, while the sum is 33.

The square root of 3726663 is about 1930.4566817207. The cubic root of 3726663 is about 155.0386722791.

The spelling of 3726663 in words is "three million, seven hundred twenty-six thousand, six hundred sixty-three".