3860440 has 32 divisors (see below), whose sum is σ = 8779680. Its totient is φ = 1527552.

The previous prime is 3860431. The next prime is 3860471. The reversal of 3860440 is 440683.

3860440 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 3652 + ... + 4588.

It is an arithmetic number, because the mean of its divisors is an integer number (274365).

Almost surely, 2^3860440 is an apocalyptic number.

It is an amenable number.

3860440 is an abundant number, since it is smaller than the sum of its proper divisors (4919240).

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

3860440 is a wasteful number, since it uses less digits than its factorization.

3860440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051 (or 1047 counting only the distinct ones).

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

The square root of 3860440 is about 1964.8002442997. The cubic root of 3860440 is about 156.8720609704.

The spelling of 3860440 in words is "three million, eight hundred sixty thousand, four hundred forty".