3664555 has 4 divisors (see below), whose sum is σ = 4397472. Its totient is φ = 2931640.

The previous prime is 3664547. The next prime is 3664561. The reversal of 3664555 is 5554663.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3664555 - 2³ = 3664547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3664555.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366451 + ... + 366460.

It is an arithmetic number, because the mean of its divisors is an integer number (1099368).

Almost surely, 2^3664555 is an apocalyptic number.

3664555 is a deficient number, since it is larger than the sum of its proper divisors (732917).

3664555 is an equidigital number, since it uses as much as digits as its factorization.

3664555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732916.

The product of its digits is 54000, while the sum is 34.

The square root of 3664555 is about 1914.3027451268. The cubic root of 3664555 is about 154.1725591450.

The spelling of 3664555 in words is "three million, six hundred sixty-four thousand, five hundred fifty-five".