3664149 has 4 divisors (see below), whose sum is σ = 4885536. Its totient is φ = 2442764.

The previous prime is 3664139. The next prime is 3664183. The reversal of 3664149 is 9414663.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9414663 = 3 ⋅3138221.

It is a cyclic number.

It is not a de Polignac number, because 3664149 - 2⁵ = 3664117 is a prime.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664139) 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 3 ways as a sum of consecutive naturals, for example, 610689 + ... + 610694.

It is an arithmetic number, because the mean of its divisors is an integer number (1221384).

Almost surely, 2^3664149 is an apocalyptic number.

It is an amenable number.

3664149 is a deficient number, since it is larger than the sum of its proper divisors (1221387).

3664149 is a wasteful number, since it uses less digits than its factorization.

3664149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221386.

The product of its digits is 15552, while the sum is 33.

The square root of 3664149 is about 1914.1966983568. The cubic root of 3664149 is about 154.1668652867.

The spelling of 3664149 in words is "three million, six hundred sixty-four thousand, one hundred forty-nine".