3928134 has 48 divisors (see below), whose sum is σ = 9455616. Its totient is φ = 1083600.

The previous prime is 3928123. The next prime is 3928151. The reversal of 3928134 is 4318293.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8899 + ... + 9329.

It is an arithmetic number, because the mean of its divisors is an integer number (196992).

Almost surely, 2^3928134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3928134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4727808).

3928134 is an abundant number, since it is smaller than the sum of its proper divisors (5527482).

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

3928134 is a wasteful number, since it uses less digits than its factorization.

3928134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 474 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 3928134 is about 1981.9520680380. The cubic root of 3928134 is about 157.7836862533.

The spelling of 3928134 in words is "three million, nine hundred twenty-eight thousand, one hundred thirty-four".