3645232 has 10 divisors (see below), whose sum is σ = 7062668. Its totient is φ = 1822608.

The previous prime is 3645227. The next prime is 3645251. The reversal of 3645232 is 2325463.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3645197 and 3645206.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 113898 + ... + 113929.

Almost surely, 2^3645232 is an apocalyptic number.

It is an amenable number.

3645232 is a deficient number, since it is larger than the sum of its proper divisors (3417436).

3645232 is a wasteful number, since it uses less digits than its factorization.

3645232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227835 (or 227829 counting only the distinct ones).

The product of its digits is 4320, while the sum is 25.

The square root of 3645232 is about 1909.2490670418. The cubic root of 3645232 is about 153.9011002709.

The spelling of 3645232 in words is "three million, six hundred forty-five thousand, two hundred thirty-two".