3661233 has 4 divisors (see below), whose sum is σ = 4881648. Its totient is φ = 2440820.

The previous prime is 3661211. The next prime is 3661247. The reversal of 3661233 is 3321663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3661233 - 2⁹ = 3660721 is a prime.

It is a D-number.

3661233 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3661633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610203 + ... + 610208.

It is an arithmetic number, because the mean of its divisors is an integer number (1220412).

Almost surely, 2^3661233 is an apocalyptic number.

It is an amenable number.

3661233 is a deficient number, since it is larger than the sum of its proper divisors (1220415).

3661233 is a wasteful number, since it uses less digits than its factorization.

3661233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220414.

The product of its digits is 1944, while the sum is 24.

The square root of 3661233 is about 1913.4348695474. The cubic root of 3661233 is about 154.1259581178.

Adding to 3661233 its reverse (3321663), we get a palindrome (6982896).

The spelling of 3661233 in words is "three million, six hundred sixty-one thousand, two hundred thirty-three".