3867540 has 48 divisors (see below), whose sum is σ = 10989888. Its totient is φ = 1016064.

The previous prime is 3867533. The next prime is 3867541. The reversal of 3867540 is 457683.

3867540 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 not an unprimeable number, because it can be changed into a prime (3867541) 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, 3939 + ... + 4821.

It is an arithmetic number, because the mean of its divisors is an integer number (228956).

Almost surely, 2^3867540 is an apocalyptic number.

3867540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3867540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5494944).

3867540 is an abundant number, since it is smaller than the sum of its proper divisors (7122348).

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

3867540 is a wasteful number, since it uses less digits than its factorization.

3867540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 3867540 is about 1966.6062137601. The cubic root of 3867540 is about 156.9681734613.

The spelling of 3867540 in words is "three million, eight hundred sixty-seven thousand, five hundred forty".