3887923 has 16 divisors (see below), whose sum is σ = 4404960. Its totient is φ = 3407616.

The previous prime is 3887911. The next prime is 3887959. The reversal of 3887923 is 3297883.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3887923 - 2²¹ = 1790771 is a prime.

It is a Duffinian number.

3887923 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3887903) 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 15 ways as a sum of consecutive naturals, for example, 28311 + ... + 28447.

It is an arithmetic number, because the mean of its divisors is an integer number (275310).

Almost surely, 2^3887923 is an apocalyptic number.

3887923 is a deficient number, since it is larger than the sum of its proper divisors (517037).

3887923 is a wasteful number, since it uses less digits than its factorization.

3887923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246.

The product of its digits is 72576, while the sum is 40.

The square root of 3887923 is about 1971.7816816271. The cubic root of 3887923 is about 157.2434455948.

Subtracting from 3887923 its sum of digits (40), we obtain a palindrome (3887883).

The spelling of 3887923 in words is "three million, eight hundred eighty-seven thousand, nine hundred twenty-three".