3872663 has 4 divisors (see below), whose sum is σ = 3876600. Its totient is φ = 3868728.

The previous prime is 3872647. The next prime is 3872669. The reversal of 3872663 is 3662783.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3872663 - 2⁴ = 3872647 is a prime.

It is a d-powerful number, because it can be written as 3¹¹ + 8⁷ + 7⁴ + 2⁷ + 6³ + 6⁴ + 3¹³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872669) 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, 956 + ... + 2942.

It is an arithmetic number, because the mean of its divisors is an integer number (969150).

Almost surely, 2^3872663 is an apocalyptic number.

3872663 is a deficient number, since it is larger than the sum of its proper divisors (3937).

3872663 is a wasteful number, since it uses less digits than its factorization.

3872663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3936.

The product of its digits is 36288, while the sum is 35.

The square root of 3872663 is about 1967.9082803830. The cubic root of 3872663 is about 157.0374503274.

The spelling of 3872663 in words is "three million, eight hundred seventy-two thousand, six hundred sixty-three".