3698388828 has 96 divisors (see below), whose sum is σ = 10368691200. Its totient is φ = 1135565568.

The previous prime is 3698388823. The next prime is 3698388829. The reversal of 3698388828 is 8288838963.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3698388823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64863 + ... + 107721.

It is an arithmetic number, because the mean of its divisors is an integer number (108007200).

Almost surely, 2^3698388828 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 3698388828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5184345600).

3698388828 is an abundant number, since it is smaller than the sum of its proper divisors (6670302372).

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

3698388828 is a wasteful number, since it uses less digits than its factorization.

3698388828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42936 (or 42928 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 63.

The square root of 3698388828 is about 60814.3801086552. The cubic root of 3698388828 is about 1546.4558395460.

The spelling of 3698388828 in words is "three billion, six hundred ninety-eight million, three hundred eighty-eight thousand, eight hundred twenty-eight".