3918811392 has 108 divisors (see below), whose sum is σ = 11790315264. Its totient is φ = 1249459200.

The previous prime is 3918811387. The next prime is 3918811399. The reversal of 3918811392 is 2931188193.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3918811399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16017 + ... + 89967.

Almost surely, 2^3918811392 is an apocalyptic number.

3918811392 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 3918811392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5895157632).

3918811392 is an abundant number, since it is smaller than the sum of its proper divisors (7871503872).

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

3918811392 is a wasteful number, since it uses less digits than its factorization.

3918811392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73996 (or 73979 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 3918811392 is about 62600.4104778874. The cubic root of 3918811392 is about 1576.5876513633.

The spelling of 3918811392 in words is "three billion, nine hundred eighteen million, eight hundred eleven thousand, three hundred ninety-two".