3848640 has 112 divisors (see below), whose sum is σ = 12923520. Its totient is φ = 967680.

The previous prime is 3848639. The next prime is 3848651. The reversal of 3848640 is 468483.

3848640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18135 + ... + 18345.

Almost surely, 2^3848640 is an apocalyptic number.

3848640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3848640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6461760).

3848640 is an abundant number, since it is smaller than the sum of its proper divisors (9074880).

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

3848640 is a wasteful number, since it uses less digits than its factorization.

3848640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 3848640 is about 1961.7950963340. The cubic root of 3848640 is about 156.7120637014.

The spelling of 3848640 in words is "three million, eight hundred forty-eight thousand, six hundred forty".