4002384 has 20 divisors (see below), whose sum is σ = 10339616. Its totient is φ = 1334112.

The previous prime is 4002353. The next prime is 4002389. The reversal of 4002384 is 4832004.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4002384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002389) 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, 41644 + ... + 41739.

Almost surely, 2^4002384 is an apocalyptic number.

It is an amenable number.

4002384 is an abundant number, since it is smaller than the sum of its proper divisors (6337232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4002384 is a wasteful number, since it uses less digits than its factorization.

4002384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83394 (or 83388 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4002384 is about 2000.5959112225. The cubic root of 4002384 is about 158.7716353012.

Adding to 4002384 its reverse (4832004), we get a palindrome (8834388).

The spelling of 4002384 in words is "four million, two thousand, three hundred eighty-four".