3861760 has 72 divisors (see below), whose sum is σ = 10596096. Its totient is φ = 1320960.

The previous prime is 3861751. The next prime is 3861811. The reversal of 3861760 is 671683.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8745 + ... + 9175.

It is an arithmetic number, because the mean of its divisors is an integer number (147168).

Almost surely, 2^3861760 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 3861760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5298048).

3861760 is an abundant number, since it is smaller than the sum of its proper divisors (6734336).

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

3861760 is an equidigital number, since it uses as much as digits as its factorization.

3861760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 3861760 is about 1965.1361276003. The cubic root of 3861760 is about 156.8899386842.

The spelling of 3861760 in words is "three million, eight hundred sixty-one thousand, seven hundred sixty".