3478386128 has 60 divisors (see below), whose sum is σ = 7854979392. Its totient is φ = 1487828160.

The previous prime is 3478386097. The next prime is 3478386139. The reversal of 3478386128 is 8216838743.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 424793 + ... + 432903.

Almost surely, 2^3478386128 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 3478386128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3927489696).

3478386128 is an abundant number, since it is smaller than the sum of its proper divisors (4376593264).

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

3478386128 is a wasteful number, since it uses less digits than its factorization.

3478386128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8680 (or 8667 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 50.

The square root of 3478386128 is about 58977.8443824459. The cubic root of 3478386128 is about 1515.1626758044.

The spelling of 3478386128 in words is "three billion, four hundred seventy-eight million, three hundred eighty-six thousand, one hundred twenty-eight".