3681232 has 10 divisors (see below), whose sum is σ = 7132418. Its totient is φ = 1840608.

The previous prime is 3681217. The next prime is 3681239. The reversal of 3681232 is 2321863.

It can be written as a sum of positive squares in only one way, i.e., 2298256 + 1382976 = 1516^2 + 1176^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3681197 and 3681206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115023 + ... + 115054.

Almost surely, 2^3681232 is an apocalyptic number.

It is an amenable number.

3681232 is a deficient number, since it is larger than the sum of its proper divisors (3451186).

3681232 is a wasteful number, since it uses less digits than its factorization.

3681232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230085 (or 230079 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 3681232 is about 1918.6536946515. The cubic root of 3681232 is about 154.4060795659.

It can be divided in two parts, 368 and 1232, that added together give a square (1600 = 40²).

The spelling of 3681232 in words is "three million, six hundred eighty-one thousand, two hundred thirty-two".