3864149 has 4 divisors (see below), whose sum is σ = 3871200. Its totient is φ = 3857100.

The previous prime is 3864139. The next prime is 3864187. The reversal of 3864149 is 9414683.

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: 9414683 = 1069 ⋅8807.

It is a cyclic number.

It is not a de Polignac number, because 3864149 - 2²⁰ = 2815573 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 (3864139) 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, 2627 + ... + 3824.

It is an arithmetic number, because the mean of its divisors is an integer number (967800).

Almost surely, 2^3864149 is an apocalyptic number.

It is an amenable number.

3864149 is a deficient number, since it is larger than the sum of its proper divisors (7051).

3864149 is an equidigital number, since it uses as much as digits as its factorization.

3864149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7050.

The product of its digits is 20736, while the sum is 35.

The square root of 3864149 is about 1965.7438795530. The cubic root of 3864149 is about 156.9222842814.

The spelling of 3864149 in words is "three million, eight hundred sixty-four thousand, one hundred forty-nine".