3138338028 has 96 divisors (see below), whose sum is σ = 8478328320. Its totient is φ = 885012480.

The previous prime is 3138337997. The next prime is 3138338069. The reversal of 3138338028 is 8208338313.

It is an unprimeable number.

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, 3231583 + ... + 3232553.

It is an arithmetic number, because the mean of its divisors is an integer number (88315920).

Almost surely, 2^3138338028 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 3138338028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4239164160).

3138338028 is an abundant number, since it is smaller than the sum of its proper divisors (5339990292).

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

3138338028 is a wasteful number, since it uses less digits than its factorization.

3138338028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447 (or 1445 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 3138338028 is about 56020.8713605920. The cubic root of 3138338028 is about 1464.0859504168.

The spelling of 3138338028 in words is "three billion, one hundred thirty-eight million, three hundred thirty-eight thousand, twenty-eight".