3875620 has 96 divisors (see below), whose sum is σ = 10321920. Its totient is φ = 1192320.

The previous prime is 3875617. The next prime is 3875623. The reversal of 3875620 is 265783.

It is an interprime number because it is at equal distance from previous prime (3875617) and next prime (3875623).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3875623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82437 + ... + 82483.

It is an arithmetic number, because the mean of its divisors is an integer number (107520).

Almost surely, 2^3875620 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 3875620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5160960).

3875620 is an abundant number, since it is smaller than the sum of its proper divisors (6446300).

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

3875620 is a wasteful number, since it uses less digits than its factorization.

3875620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 3875620 is about 1968.6594423617. The cubic root of 3875620 is about 157.0774091879.

It can be divided in two parts, 3875 and 620, that multiplied together give a square (2402500 = 1550²).

The spelling of 3875620 in words is "three million, eight hundred seventy-five thousand, six hundred twenty".