3665532 has 24 divisors (see below), whose sum is σ = 9211216. Its totient is φ = 1127808.

The previous prime is 3665527. The next prime is 3665539. The reversal of 3665532 is 2355663.

It is a super-2 number, since 2×3665532² = 26872249686048, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁴ + 6 + 6⁸ + 5⁴ + 5⁸ + 3¹³ + 2⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 3665532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665539) 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, 11593 + ... + 11904.

Almost surely, 2^3665532 is an apocalyptic number.

It is an amenable number.

3665532 is an abundant number, since it is smaller than the sum of its proper divisors (5545684).

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

3665532 is a wasteful number, since it uses less digits than its factorization.

3665532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23517 (or 23515 counting only the distinct ones).

The product of its digits is 16200, while the sum is 30.

The square root of 3665532 is about 1914.5579124174. The cubic root of 3665532 is about 154.1862591446.

The spelling of 3665532 in words is "three million, six hundred sixty-five thousand, five hundred thirty-two".