4042401 has 8 divisors (see below), whose sum is σ = 5879904. Its totient is φ = 2449920.

The previous prime is 4042393. The next prime is 4042417. The reversal of 4042401 is 1042404.

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

It is not a de Polignac number, because 4042401 - 2³ = 4042393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4042471) 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, 61216 + ... + 61281.

It is an arithmetic number, because the mean of its divisors is an integer number (734988).

Almost surely, 2^4042401 is an apocalyptic number.

It is an amenable number.

4042401 is a deficient number, since it is larger than the sum of its proper divisors (1837503).

4042401 is a wasteful number, since it uses less digits than its factorization.

4042401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122511.

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

The square root of 4042401 is about 2010.5723065834. The cubic root of 4042401 is about 159.2990298442.

Adding to 4042401 its reverse (1042404), we get a palindrome (5084805).

The spelling of 4042401 in words is "four million, forty-two thousand, four hundred one".