3860120 has 64 divisors (see below), whose sum is σ = 9815040. Its totient is φ = 1353600.

The previous prime is 3860117. The next prime is 3860123. The reversal of 3860120 is 210683.

It is an interprime number because it is at equal distance from previous prime (3860117) and next prime (3860123).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3860092 and 3860101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3860123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13499 + ... + 13781.

It is an arithmetic number, because the mean of its divisors is an integer number (153360).

Almost surely, 2^3860120 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 3860120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4907520).

3860120 is an abundant number, since it is smaller than the sum of its proper divisors (5954920).

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

3860120 is a wasteful number, since it uses less digits than its factorization.

3860120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 3860120 is about 1964.7188093974. The cubic root of 3860120 is about 156.8677263655.

The spelling of 3860120 in words is "three million, eight hundred sixty thousand, one hundred twenty".