3960128 has 28 divisors (see below), whose sum is σ = 8046720. Its totient is φ = 1932672.

The previous prime is 3960101. The next prime is 3960137. The reversal of 3960128 is 8210693.

It is a super-2 number, since 2×3960128² = 31365227552768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3960128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033 + ... + 3471.

Almost surely, 2^3960128 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 3960128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4023360).

3960128 is an abundant number, since it is smaller than the sum of its proper divisors (4086592).

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

3960128 is a wasteful number, since it uses less digits than its factorization.

3960128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494 (or 1484 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 3960128 is about 1990.0070351634. The cubic root of 3960128 is about 158.2109024618.

The spelling of 3960128 in words is "three million, nine hundred sixty thousand, one hundred twenty-eight".