3840002 has 4 divisors (see below), whose sum is σ = 5760006. Its totient is φ = 1920000.

The previous prime is 3839999. The next prime is 3840007. The reversal of 3840002 is 2000483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2000483 = 397 ⋅5039.

It can be written as a sum of positive squares in only one way, i.e., 3418801 + 421201 = 1849^2 + 649^2 .

It is not an unprimeable number, because it can be changed into a prime (3840007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 959999 + ... + 960002.

Almost surely, 2^3840002 is an apocalyptic number.

3840002 is a deficient number, since it is larger than the sum of its proper divisors (1920004).

3840002 is a wasteful number, since it uses less digits than its factorization.

3840002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920003.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 3840002 is about 1959.5923045368. The cubic root of 3840002 is about 156.5947328333.

Adding to 3840002 its reverse (2000483), we get a palindrome (5840485).

The spelling of 3840002 in words is "three million, eight hundred forty thousand, two".