4240403 has 8 divisors (see below), whose sum is σ = 4320768. Its totient is φ = 4161024.

The previous prime is 4240399. The next prime is 4240417. The reversal of 4240403 is 3040424.

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

It is a cyclic number.

It is not a de Polignac number, because 4240403 - 2² = 4240399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4240433) 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, 21875 + ... + 22067.

It is an arithmetic number, because the mean of its divisors is an integer number (540096).

Almost surely, 2^4240403 is an apocalyptic number.

4240403 is a deficient number, since it is larger than the sum of its proper divisors (80365).

4240403 is a wasteful number, since it uses less digits than its factorization.

4240403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4240403 is about 2059.2238829229. The cubic root of 4240403 is about 161.8585744329.

Adding to 4240403 its reverse (3040424), we get a palindrome (7280827).

The spelling of 4240403 in words is "four million, two hundred forty thousand, four hundred three".