3862240 has 48 divisors (see below), whose sum is σ = 9253440. Its totient is φ = 1523200.

The previous prime is 3862237. The next prime is 3862253. The reversal of 3862240 is 422683.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16041 + ... + 16279.

It is an arithmetic number, because the mean of its divisors is an integer number (192780).

Almost surely, 2^3862240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3862240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4626720).

3862240 is an abundant number, since it is smaller than the sum of its proper divisors (5391200).

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

3862240 is a wasteful number, since it uses less digits than its factorization.

3862240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 3862240 is about 1965.2582527495. The cubic root of 3862240 is about 156.8964386609.

The spelling of 3862240 in words is "three million, eight hundred sixty-two thousand, two hundred forty".