3875648 has 56 divisors (see below), whose sum is σ = 9046464. Its totient is φ = 1612800.

The previous prime is 3875629. The next prime is 3875653. The reversal of 3875648 is 8465783.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (41).

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, 18263 + ... + 18473.

It is an arithmetic number, because the mean of its divisors is an integer number (161544).

Almost surely, 2^3875648 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 3875648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4523232).

3875648 is an abundant number, since it is smaller than the sum of its proper divisors (5170816).

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

3875648 is a wasteful number, since it uses less digits than its factorization.

3875648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 261 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 3875648 is about 1968.6665537871. Note that the first 3 decimals coincide. The cubic root of 3875648 is about 157.0777874635.

The spelling of 3875648 in words is "three million, eight hundred seventy-five thousand, six hundred forty-eight".