3887489272 has 8 divisors (see below), whose sum is σ = 7289042400. Its totient is φ = 1943744632.

The previous prime is 3887489267. The next prime is 3887489303. The reversal of 3887489272 is 2729847883.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3887489272² = 30225145679830179968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242968072 + ... + 242968087.

It is an arithmetic number, because the mean of its divisors is an integer number (911130300).

Almost surely, 2^3887489272 is an apocalyptic number.

It is an amenable number.

3887489272 is a deficient number, since it is larger than the sum of its proper divisors (3401553128).

3887489272 is a wasteful number, since it uses less digits than its factorization.

3887489272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485936165 (or 485936161 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 58.

The square root of 3887489272 is about 62349.7335359182. The cubic root of 3887489272 is about 1572.3759813493.

The spelling of 3887489272 in words is "three billion, eight hundred eighty-seven million, four hundred eighty-nine thousand, two hundred seventy-two".