3661323 has 8 divisors (see below), whose sum is σ = 4891536. Its totient is φ = 2436000.

The previous prime is 3661303. The next prime is 3661327. The reversal of 3661323 is 3231663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3661323 - 2⁵ = 3661291 is a prime.

It is a super-2 number, since 2×3661323² = 26810572220658, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3661293 and 3661302.

It is not an unprimeable number, because it can be changed into a prime (3661327) 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, 1233 + ... + 2973.

It is an arithmetic number, because the mean of its divisors is an integer number (611442).

Almost surely, 2^3661323 is an apocalyptic number.

3661323 is a deficient number, since it is larger than the sum of its proper divisors (1230213).

3661323 is a wasteful number, since it uses less digits than its factorization.

3661323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445.

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

The square root of 3661323 is about 1913.4583873186. The cubic root of 3661323 is about 154.1272210095.

Adding to 3661323 its reverse (3231663), we get a palindrome (6892986).

The spelling of 3661323 in words is "three million, six hundred sixty-one thousand, three hundred twenty-three".