3311889438 has 64 divisors (see below), whose sum is σ = 7789872384. Its totient is φ = 925440000.

The previous prime is 3311889437. The next prime is 3311889479. The reversal of 3311889438 is 8349881133.

It is a super-2 number, since 2×3311889438² = 21937223299071911688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3311889437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1372453 + ... + 1374863.

It is an arithmetic number, because the mean of its divisors is an integer number (121716756).

Almost surely, 2^3311889438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3311889438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3894936192).

3311889438 is an abundant number, since it is smaller than the sum of its proper divisors (4477982946).

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

3311889438 is a wasteful number, since it uses less digits than its factorization.

3311889438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4041.

The product of its digits is 497664, while the sum is 48.

The square root of 3311889438 is about 57549.0176979590. The cubic root of 3311889438 is about 1490.5913959453.

The spelling of 3311889438 in words is "three billion, three hundred eleven million, eight hundred eighty-nine thousand, four hundred thirty-eight".