3850240 has 60 divisors (see below), whose sum is σ = 9436896. Its totient is φ = 1507328.

The previous prime is 3850237. The next prime is 3850241. The reversal of 3850240 is 420583.

It is not an unprimeable number, because it can be changed into a prime (3850241) 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, 81897 + ... + 81943.

Almost surely, 2^3850240 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 3850240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4718448).

3850240 is an abundant number, since it is smaller than the sum of its proper divisors (5586656).

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

3850240 is an frugal number, since it uses more digits than its factorization.

3850240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 3850240 is about 1962.2028437448. The cubic root of 3850240 is about 156.7337773945.

The spelling of 3850240 in words is "three million, eight hundred fifty thousand, two hundred forty".