3941028 has 96 divisors (see below), whose sum is σ = 12606720. Its totient is φ = 1036800.

The previous prime is 3941017. The next prime is 3941029. The reversal of 3941028 is 8201493.

3941028 is a nontrivial binomial coefficient, being equal to C(2808, 2).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3940992 and 3941010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3941029) 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, 9628 + ... + 10028.

It is an arithmetic number, because the mean of its divisors is an integer number (131320).

Almost surely, 2^3941028 is an apocalyptic number.

3941028 is the 2807-th triangular number and also the 1404-th hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3941028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6303360).

3941028 is an abundant number, since it is smaller than the sum of its proper divisors (8665692).

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

3941028 is a wasteful number, since it uses less digits than its factorization.

3941028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3941028 is about 1985.2022566983. The cubic root of 3941028 is about 157.9561380143.

The spelling of 3941028 in words is "three million, nine hundred forty-one thousand, twenty-eight".