3631544 has 16 divisors (see below), whose sum is σ = 7782000. Its totient is φ = 1556352.

The previous prime is 3631543. The next prime is 3631561. The reversal of 3631544 is 4451363.

It is a super-2 number, since 2×3631544² = 26376223647872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3631541) 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, 32369 + ... + 32480.

It is an arithmetic number, because the mean of its divisors is an integer number (486375).

Almost surely, 2^3631544 is an apocalyptic number.

It is an amenable number.

3631544 is an abundant number, since it is smaller than the sum of its proper divisors (4150456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3631544 is a wasteful number, since it uses less digits than its factorization.

3631544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64862 (or 64858 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 3631544 is about 1905.6610401643. The cubic root of 3631544 is about 153.7082236068.

The spelling of 3631544 in words is "three million, six hundred thirty-one thousand, five hundred forty-four".