3673664 has 28 divisors (see below), whose sum is σ = 7417308. Its totient is φ = 1804800.

The previous prime is 3673651. The next prime is 3673687. The reversal of 3673664 is 4663763.

It can be written as a sum of positive squares in 2 ways, for example, as 984064 + 2689600 = 992^2 + 1640^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3434 + ... + 4374.

Almost surely, 2^3673664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3673664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3708654).

3673664 is an abundant number, since it is smaller than the sum of its proper divisors (3743644).

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

3673664 is an equidigital number, since it uses as much as digits as its factorization.

3673664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014 (or 1004 counting only the distinct ones).

The product of its digits is 54432, while the sum is 35.

The square root of 3673664 is about 1916.6804637185. The cubic root of 3673664 is about 154.3001959103.

Subtracting 3673664 from its reverse (4663763), we obtain a palindrome (990099).

The spelling of 3673664 in words is "three million, six hundred seventy-three thousand, six hundred sixty-four".