3888731216 has 40 divisors (see below), whose sum is σ = 8008029120. Its totient is φ = 1824132096.

The previous prime is 3888731179. The next prime is 3888731219. The reversal of 3888731216 is 6121378883.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3888731219) 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, 30785 + ... + 93408.

It is an arithmetic number, because the mean of its divisors is an integer number (200200728).

Almost surely, 2^3888731216 is an apocalyptic number.

It is an amenable number.

3888731216 is an abundant number, since it is smaller than the sum of its proper divisors (4119297904).

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

3888731216 is a wasteful number, since it uses less digits than its factorization.

3888731216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124323 (or 124317 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 3888731216 is about 62359.6922378551. The cubic root of 3888731216 is about 1572.5434068915.

The spelling of 3888731216 in words is "three billion, eight hundred eighty-eight million, seven hundred thirty-one thousand, two hundred sixteen".