3664191 has 8 divisors (see below), whose sum is σ = 4904704. Its totient is φ = 2433240.

The previous prime is 3664189. The next prime is 3664247. The reversal of 3664191 is 1914663.

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

It is not a de Polignac number, because 3664191 - 2¹ = 3664189 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 (3664091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441 + ... + 3066.

It is an arithmetic number, because the mean of its divisors is an integer number (613088).

Almost surely, 2^3664191 is an apocalyptic number.

3664191 is a deficient number, since it is larger than the sum of its proper divisors (1240513).

3664191 is a wasteful number, since it uses less digits than its factorization.

3664191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4781.

The product of its digits is 3888, while the sum is 30.

The square root of 3664191 is about 1914.2076689847. The cubic root of 3664191 is about 154.1674543260.

The spelling of 3664191 in words is "three million, six hundred sixty-four thousand, one hundred ninety-one".