3664705 has 16 divisors (see below), whose sum is σ = 5007744. Its totient is φ = 2548480.

The previous prime is 3664693. The next prime is 3664709. The reversal of 3664705 is 5074663.

It is not a de Polignac number, because 3664705 - 2¹¹ = 3662657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3664709) 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 15 ways as a sum of consecutive naturals, for example, 184 + ... + 2713.

It is an arithmetic number, because the mean of its divisors is an integer number (312984).

Almost surely, 2^3664705 is an apocalyptic number.

It is an amenable number.

3664705 is a deficient number, since it is larger than the sum of its proper divisors (1343039).

3664705 is a wasteful number, since it uses less digits than its factorization.

3664705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 3664705 is about 1914.3419234818. The cubic root of 3664705 is about 154.1746626808.

The spelling of 3664705 in words is "three million, six hundred sixty-four thousand, seven hundred five".