3862540 has 48 divisors (see below), whose sum is σ = 8989344. Its totient is φ = 1382400.

The previous prime is 3862531. The next prime is 3862549. The reversal of 3862540 is 452683.

It is an interprime number because it is at equal distance from previous prime (3862531) and next prime (3862549).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3862499 and 3862508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3862549) 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, 21250 + ... + 21430.

It is an arithmetic number, because the mean of its divisors is an integer number (187278).

Almost surely, 2^3862540 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 3862540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4494672).

3862540 is an abundant number, since it is smaller than the sum of its proper divisors (5126804).

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

3862540 is a wasteful number, since it uses less digits than its factorization.

3862540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 296 counting only the distinct ones).

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

The square root of 3862540 is about 1965.3345771140. The cubic root of 3862540 is about 156.9005008729.

It can be divided in two parts, 386 and 2540, that added together give a triangular number (2926 = T₇₆).

The spelling of 3862540 in words is "three million, eight hundred sixty-two thousand, five hundred forty".