3840012 has 36 divisors (see below), whose sum is σ = 10590216. Its totient is φ = 1163520.

The previous prime is 3840007. The next prime is 3840017. The reversal of 3840012 is 2100483.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3840007) and next prime (3840017).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3840017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4453 + ... + 5244.

Almost surely, 2^3840012 is an apocalyptic number.

It is an amenable number.

3840012 is an abundant number, since it is smaller than the sum of its proper divisors (6750204).

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

3840012 is a wasteful number, since it uses less digits than its factorization.

3840012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9718 (or 9713 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3840012 is about 1959.5948560863. The cubic root of 3840012 is about 156.5948687661.

Adding to 3840012 its reverse (2100483), we get a palindrome (5940495).

The spelling of 3840012 in words is "three million, eight hundred forty thousand, twelve".