3187238912 has 96 divisors (see below), whose sum is σ = 7487756640. Its totient is φ = 1337180160.

The previous prime is 3187238893. The next prime is 3187238933. The reversal of 3187238912 is 2198327813.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 287423 + ... + 298305.

It is an arithmetic number, because the mean of its divisors is an integer number (77997465).

Almost surely, 2^3187238912 is an apocalyptic number.

3187238912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3187238912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3743878320).

3187238912 is an abundant number, since it is smaller than the sum of its proper divisors (4300517728).

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

3187238912 is a wasteful number, since it uses less digits than its factorization.

3187238912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10929 (or 10909 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 3187238912 is about 56455.6366716380. The cubic root of 3187238912 is about 1471.6511460640.

The spelling of 3187238912 in words is "three billion, one hundred eighty-seven million, two hundred thirty-eight thousand, nine hundred twelve".