3664673 has 8 divisors (see below), whose sum is σ = 3934728. Its totient is φ = 3400704.

The previous prime is 3664657. The next prime is 3664679. The reversal of 3664673 is 3764663.

It can be written as a sum of positive squares in 4 ways, for example, as 1682209 + 1982464 = 1297^2 + 1408^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3664673 - 2⁴ = 3664657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664679) 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 7 ways as a sum of consecutive naturals, for example, 236 + ... + 2717.

It is an arithmetic number, because the mean of its divisors is an integer number (491841).

Almost surely, 2^3664673 is an apocalyptic number.

It is an amenable number.

3664673 is a deficient number, since it is larger than the sum of its proper divisors (270055).

3664673 is a wasteful number, since it uses less digits than its factorization.

3664673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043.

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

The square root of 3664673 is about 1914.3335655000. Note that the first 3 decimals coincide. The cubic root of 3664673 is about 154.1742139313.

The spelling of 3664673 in words is "three million, six hundred sixty-four thousand, six hundred seventy-three".