3651232 has 48 divisors (see below), whose sum is σ = 7916832. Its totient is φ = 1647360.

The previous prime is 3651217. The next prime is 3651239. The reversal of 3651232 is 2321563.

It is not an unprimeable number, because it can be changed into a prime (3651239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27807 + ... + 27937.

It is an arithmetic number, because the mean of its divisors is an integer number (164934).

Almost surely, 2^3651232 is an apocalyptic number.

3651232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3651232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3958416).

3651232 is an abundant number, since it is smaller than the sum of its proper divisors (4265600).

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

3651232 is a wasteful number, since it uses less digits than its factorization.

3651232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 213 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 3651232 is about 1910.8197193875. The cubic root of 3651232 is about 153.9854936580.

Adding to 3651232 its reverse (2321563), we get a palindrome (5972795).

It can be divided in two parts, 3651 and 232, that added together give a palindrome (3883).

The spelling of 3651232 in words is "three million, six hundred fifty-one thousand, two hundred thirty-two".