3665232 has 30 divisors (see below), whose sum is σ = 10257962. Its totient is φ = 1221696.

The previous prime is 3665227. The next prime is 3665237. The reversal of 3665232 is 2325663.

3665232 is a `hidden beast` number, since 3 + 6 + 652 + 3 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (3665227) and next prime (3665237).

It can be written as a sum of positive squares in only one way, i.e., 3111696 + 553536 = 1764^2 + 744^2 .

It is a super-2 number, since 2×3665232² = 26867851227648, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3665196 and 3665205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665237) 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 5 ways as a sum of consecutive naturals, for example, 12583 + ... + 12870.

Almost surely, 2^3665232 is an apocalyptic number.

It is an amenable number.

3665232 is an abundant number, since it is smaller than the sum of its proper divisors (6592730).

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

3665232 is a wasteful number, since it uses less digits than its factorization.

3665232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25467 (or 25458 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 3665232 is about 1914.4795637457. The cubic root of 3665232 is about 154.1820526483.

The spelling of 3665232 in words is "three million, six hundred sixty-five thousand, two hundred thirty-two".