3636544 has 14 divisors (see below), whose sum is σ = 7216394. Its totient is φ = 1818240.

The previous prime is 3636541. The next prime is 3636547. The reversal of 3636544 is 4456363.

It is an interprime number because it is at equal distance from previous prime (3636541) and next prime (3636547).

It can be written as a sum of positive squares in only one way, i.e., 2930944 + 705600 = 1712^2 + 840^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3636541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28347 + ... + 28474.

Almost surely, 2^3636544 is an apocalyptic number.

It is an amenable number.

3636544 is a deficient number, since it is larger than the sum of its proper divisors (3579850).

3636544 is an equidigital number, since it uses as much as digits as its factorization.

3636544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56833 (or 56823 counting only the distinct ones).

The product of its digits is 25920, while the sum is 31.

The square root of 3636544 is about 1906.9724696492. The cubic root of 3636544 is about 153.7787343567.

The spelling of 3636544 in words is "three million, six hundred thirty-six thousand, five hundred forty-four".