3884287 has 4 divisors (see below), whose sum is σ = 4237416. Its totient is φ = 3531160.

The previous prime is 3884267. The next prime is 3884291. The reversal of 3884287 is 7824883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7824883 = 11 ⋅711353.

It is a cyclic number.

It is not a de Polignac number, because 3884287 - 2⁷ = 3884159 is a prime.

It is a Duffinian number.

3884287 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3884267) 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, 176548 + ... + 176569.

It is an arithmetic number, because the mean of its divisors is an integer number (1059354).

Almost surely, 2^3884287 is an apocalyptic number.

3884287 is a deficient number, since it is larger than the sum of its proper divisors (353129).

3884287 is a wasteful number, since it uses less digits than its factorization.

3884287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353128.

The product of its digits is 86016, while the sum is 40.

The square root of 3884287 is about 1970.8594571912. The cubic root of 3884287 is about 157.1944120885.

The spelling of 3884287 in words is "three million, eight hundred eighty-four thousand, two hundred eighty-seven".