3876442648 has 16 divisors (see below), whose sum is σ = 7827432480. Its totient is φ = 1789127328.

The previous prime is 3876442639. The next prime is 3876442649. The reversal of 3876442648 is 8462446783.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 3876442595 and 3876442604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3876442649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18636640 + ... + 18636847.

It is an arithmetic number, because the mean of its divisors is an integer number (489214530).

Almost surely, 2^3876442648 is an apocalyptic number.

It is an amenable number.

3876442648 is an abundant number, since it is smaller than the sum of its proper divisors (3950989832).

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

3876442648 is a wasteful number, since it uses less digits than its factorization.

3876442648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37273506 (or 37273502 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 52.

The square root of 3876442648 is about 62261.0845392208. The cubic root of 3876442648 is about 1570.8852227216.

The spelling of 3876442648 in words is "three billion, eight hundred seventy-six million, four hundred forty-two thousand, six hundred forty-eight".