3664471 has 4 divisors (see below), whose sum is σ = 3698200. Its totient is φ = 3630744.

The previous prime is 3664447. The next prime is 3664483. The reversal of 3664471 is 1744663.

3664471 = 779² + 780² + ... + 784².

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

It is a cyclic number.

It is not a de Polignac number, because 3664471 - 2⁵ = 3664439 is a prime.

It is a super-3 number, since 3×3664471³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16701 + ... + 16918.

It is an arithmetic number, because the mean of its divisors is an integer number (924550).

Almost surely, 2^3664471 is an apocalyptic number.

3664471 is a deficient number, since it is larger than the sum of its proper divisors (33729).

3664471 is a wasteful number, since it uses less digits than its factorization.

3664471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33728.

The product of its digits is 12096, while the sum is 31.

The square root of 3664471 is about 1914.2808048978. The cubic root of 3664471 is about 154.1713811398.

The spelling of 3664471 in words is "three million, six hundred sixty-four thousand, four hundred seventy-one".