3664969 has 12 divisors (see below), whose sum is σ = 4604992. Its totient is φ = 2855160.

The previous prime is 3664963. The next prime is 3665017. The reversal of 3664969 is 9694663.

It is not a de Polignac number, because 3664969 - 2⁵ = 3664937 is a prime.

It is a super-2 number, since 2×3664969² = 26863995541922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3664963) 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 11 ways as a sum of consecutive naturals, for example, 1317 + ... + 3010.

Almost surely, 2^3664969 is an apocalyptic number.

It is an amenable number.

3664969 is a deficient number, since it is larger than the sum of its proper divisors (940023).

3664969 is a wasteful number, since it uses less digits than its factorization.

3664969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4356 (or 4345 counting only the distinct ones).

The product of its digits is 209952, while the sum is 43.

The square root of 3664969 is about 1914.4108754392. The cubic root of 3664969 is about 154.1783647645.

It can be divided in two parts, 366 and 4969, that added together give a palindrome (5335).

The spelling of 3664969 in words is "three million, six hundred sixty-four thousand, nine hundred sixty-nine".