3726311886 has 72 divisors (see below), whose sum is σ = 8999735472. Its totient is φ = 1113235200.

The previous prime is 3726311881. The next prime is 3726311887. The reversal of 3726311886 is 6881136273.

3726311886 is a `hidden beast` number, since 3 + 7 + 2 + 631 + 1 + 8 + 8 + 6 = 666.

3726311886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3726311881) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 142590 + ... + 166686.

It is an arithmetic number, because the mean of its divisors is an integer number (124996326).

Almost surely, 2^3726311886 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3726311886, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4499867736).

3726311886 is an abundant number, since it is smaller than the sum of its proper divisors (5273423586).

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

3726311886 is a wasteful number, since it uses less digits than its factorization.

3726311886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24198 (or 24184 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 3726311886 is about 61043.5245214429. The cubic root of 3726311886 is about 1550.3380304726.

The spelling of 3726311886 in words is "three billion, seven hundred twenty-six million, three hundred eleven thousand, eight hundred eighty-six".