4021140 has 48 divisors (see below), whose sum is σ = 11652480. Its totient is φ = 1034880.

The previous prime is 4021099. The next prime is 4021151. The reversal of 4021140 is 411204.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585 + ... + 2895.

It is an arithmetic number, because the mean of its divisors is an integer number (242760).

Almost surely, 2^4021140 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 4021140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5826240).

4021140 is an abundant number, since it is smaller than the sum of its proper divisors (7631340).

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

4021140 is a wasteful number, since it uses less digits than its factorization.

4021140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352 (or 2350 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 4021140 is about 2005.2780355851. The cubic root of 4021140 is about 159.0192611451.

Adding to 4021140 its reverse (411204), we get a palindrome (4432344).

The spelling of 4021140 in words is "four million, twenty-one thousand, one hundred forty".