3664541 has 4 divisors (see below), whose sum is σ = 3782784. Its totient is φ = 3546300.

The previous prime is 3664519. The next prime is 3664547. The reversal of 3664541 is 1454663.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3664541 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 (3664547) 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, 59075 + ... + 59136.

It is an arithmetic number, because the mean of its divisors is an integer number (945696).

Almost surely, 2^3664541 is an apocalyptic number.

3664541 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3664541 is a deficient number, since it is larger than the sum of its proper divisors (118243).

3664541 is a wasteful number, since it uses less digits than its factorization.

3664541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118242.

The product of its digits is 8640, while the sum is 29.

The square root of 3664541 is about 1914.2990884394. The cubic root of 3664541 is about 154.1723628120.

The spelling of 3664541 in words is "three million, six hundred sixty-four thousand, five hundred forty-one".