3128696934 has 64 divisors (see below), whose sum is σ = 6970406400. Its totient is φ = 928256000.

The previous prime is 3128696903. The next prime is 3128696939. The reversal of 3128696934 is 4396968213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128696939) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 695974 + ... + 700454.

It is an arithmetic number, because the mean of its divisors is an integer number (108912600).

Almost surely, 2^3128696934 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3128696934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3485203200).

3128696934 is an abundant number, since it is smaller than the sum of its proper divisors (3841709466).

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

3128696934 is a wasteful number, since it uses less digits than its factorization.

3128696934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4717.

The product of its digits is 1679616, while the sum is 51.

The square root of 3128696934 is about 55934.7560466657. The cubic root of 3128696934 is about 1462.5851699395.

The spelling of 3128696934 in words is "three billion, one hundred twenty-eight million, six hundred ninety-six thousand, nine hundred thirty-four".