3864995 has 8 divisors (see below), whose sum is σ = 4649616. Its totient is φ = 3084256.

The previous prime is 3864979. The next prime is 3865007. The reversal of 3864995 is 5994683.

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

It is a cyclic number.

It is not a de Polignac number, because 3864995 - 2⁴ = 3864979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2129 + ... + 3501.

It is an arithmetic number, because the mean of its divisors is an integer number (581202).

Almost surely, 2^3864995 is an apocalyptic number.

3864995 is a deficient number, since it is larger than the sum of its proper divisors (784621).

3864995 is a wasteful number, since it uses less digits than its factorization.

3864995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941.

The product of its digits is 233280, while the sum is 44.

The square root of 3864995 is about 1965.9590534902. The cubic root of 3864995 is about 156.9337354069.

The spelling of 3864995 in words is "three million, eight hundred sixty-four thousand, nine hundred ninety-five".