4002441 has 8 divisors (see below), whose sum is σ = 5508864. Its totient is φ = 2582160.

The previous prime is 4002431. The next prime is 4002457. The reversal of 4002441 is 1442004.

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

It is not a de Polignac number, because 4002441 - 2¹⁵ = 3969673 is a prime.

4002441 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4002441.

It is not an unprimeable number, because it can be changed into a prime (4002431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21426 + ... + 21611.

It is an arithmetic number, because the mean of its divisors is an integer number (688608).

Almost surely, 2^4002441 is an apocalyptic number.

It is an amenable number.

4002441 is a deficient number, since it is larger than the sum of its proper divisors (1506423).

4002441 is a wasteful number, since it uses less digits than its factorization.

4002441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43071.

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

The square root of 4002441 is about 2000.6101569271. The cubic root of 4002441 is about 158.7723890137.

Adding to 4002441 its reverse (1442004), we get a palindrome (5444445).

The spelling of 4002441 in words is "four million, two thousand, four hundred forty-one".