3811987224 has 64 divisors (see below), whose sum is σ = 10629273600. Its totient is φ = 1265812128.

The previous prime is 3811987181. The next prime is 3811987253. The reversal of 3811987224 is 4227891183.

It is a happy number.

3811987224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3811987224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23257 + ... + 90359.

It is an arithmetic number, because the mean of its divisors is an integer number (166082400).

Almost surely, 2^3811987224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3811987224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5314636800).

3811987224 is an abundant number, since it is smaller than the sum of its proper divisors (6817286376).

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

3811987224 is a wasteful number, since it uses less digits than its factorization.

3811987224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67381 (or 67371 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 3811987224 is about 61741.2926978372. The cubic root of 3811987224 is about 1562.1299013277.

The spelling of 3811987224 in words is "three billion, eight hundred eleven million, nine hundred eighty-seven thousand, two hundred twenty-four".