3663567 has 12 divisors (see below), whose sum is σ = 5309304. Its totient is φ = 2434320.

The previous prime is 3663563. The next prime is 3663577. The reversal of 3663567 is 7653663.

3663567 is a `hidden beast` number, since 36 + 63 + 567 = 666.

It is not a de Polignac number, because 3663567 - 2² = 3663563 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

3663567 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3708 + ... + 4590.

It is an arithmetic number, because the mean of its divisors is an integer number (442442).

Almost surely, 2^3663567 is an apocalyptic number.

3663567 is a deficient number, since it is larger than the sum of its proper divisors (1645737).

3663567 is a wasteful number, since it uses less digits than its factorization.

3663567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350 (or 1347 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 3663567 is about 1914.0446703251. The cubic root of 3663567 is about 154.1587024211.

The spelling of 3663567 in words is "three million, six hundred sixty-three thousand, five hundred sixty-seven".