4636 has 12 divisors (see below), whose sum is σ = 8680. Its totient is φ = 2160.

The previous prime is 4621. The next prime is 4637. The reversal of 4636 is 6364.

It is a happy number.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (19).

4636 is an undulating number in base 11.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46 + ... + 106.

2⁴⁶³⁶ is an apocalyptic number.

It is an amenable number.

4636 is a deficient number, since it is larger than the sum of its proper divisors (4044).

4636 is a wasteful number, since it uses less digits than its factorization.

4636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 82 counting only the distinct ones).

The product of its digits is 432, while the sum is 19.

The square root of 4636 is about 68.0881781222. The cubic root of 4636 is about 16.6743076075.

Subtracting 4636 from its reverse (6364), we obtain a cube (1728 = 12³).

The spelling of 4636 in words is "four thousand, six hundred thirty-six".