3881866452 has 24 divisors (see below), whose sum is σ = 9268333536. Its totient is φ = 1263863328.

The previous prime is 3881866451. The next prime is 3881866487. The reversal of 3881866452 is 2546681883.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3881866395 and 3881866404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881866451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3760983 + ... + 3762014.

It is an arithmetic number, because the mean of its divisors is an integer number (386180564).

Almost surely, 2^3881866452 is an apocalyptic number.

It is an amenable number.

3881866452 is an abundant number, since it is smaller than the sum of its proper divisors (5386467084).

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

3881866452 is a wasteful number, since it uses less digits than its factorization.

3881866452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7523047 (or 7523045 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 51.

The square root of 3881866452 is about 62304.6262487787. The cubic root of 3881866452 is about 1571.6175266825.

The spelling of 3881866452 in words is "three billion, eight hundred eighty-one million, eight hundred sixty-six thousand, four hundred fifty-two".