3852640 has 72 divisors (see below), whose sum is σ = 10054800. Its totient is φ = 1393920.

The previous prime is 3852631. The next prime is 3852643. The reversal of 3852640 is 462583.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3852599 and 3852608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3852643) 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, 19261 + ... + 19459.

It is an arithmetic number, because the mean of its divisors is an integer number (139650).

Almost surely, 2^3852640 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 3852640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5027400).

3852640 is an abundant number, since it is smaller than the sum of its proper divisors (6202160).

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

3852640 is a wasteful number, since it uses less digits than its factorization.

3852640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 3852640 is about 1962.8143060412. The cubic root of 3852640 is about 156.7663366578.

It can be divided in two parts, 385 and 2640, that added together give a square (3025 = 55²).

The spelling of 3852640 in words is "three million, eight hundred fifty-two thousand, six hundred forty".