3918009528 has 96 divisors (see below), whose sum is σ = 11272912560. Its totient is φ = 1274123520.

The previous prime is 3918009523. The next prime is 3918009539. The reversal of 3918009528 is 8259008193.

It is a happy number.

It is a super-2 number, since 2×3918009528² = 30701597322997565568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3918009521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55126 + ... + 104282.

Almost surely, 2^3918009528 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 3918009528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5636456280).

3918009528 is an abundant number, since it is smaller than the sum of its proper divisors (7354903032).

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

3918009528 is a wasteful number, since it uses less digits than its factorization.

3918009528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49219 (or 49203 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 3918009528 is about 62594.0055276861. The cubic root of 3918009528 is about 1576.4801106670.

The spelling of 3918009528 in words is "three billion, nine hundred eighteen million, nine thousand, five hundred twenty-eight".