4020441 has 8 divisors (see below), whose sum is σ = 5376960. Its totient is φ = 2672112.

The previous prime is 4020433. The next prime is 4020461. The reversal of 4020441 is 1440204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4020441 - 2³ = 4020433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4020441.

It is not an unprimeable number, because it can be changed into a prime (4020431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 790 + ... + 2943.

It is an arithmetic number, because the mean of its divisors is an integer number (672120).

Almost surely, 2^4020441 is an apocalyptic number.

It is an amenable number.

4020441 is a deficient number, since it is larger than the sum of its proper divisors (1356519).

4020441 is a wasteful number, since it uses less digits than its factorization.

4020441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4095.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 4020441 is about 2005.1037379647. The cubic root of 4020441 is about 159.0100464361.

Adding to 4020441 its reverse (1440204), we get a palindrome (5460645).

The spelling of 4020441 in words is "four million, twenty thousand, four hundred forty-one".