4240003 has 8 divisors (see below), whose sum is σ = 4410000. Its totient is φ = 4071648.

The previous prime is 4239997. The next prime is 4240007. The reversal of 4240003 is 3000424.

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 4240003 - 2⁵ = 4239971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240007) 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, 8248 + ... + 8746.

It is an arithmetic number, because the mean of its divisors is an integer number (551250).

Almost surely, 2^4240003 is an apocalyptic number.

4240003 is a deficient number, since it is larger than the sum of its proper divisors (169997).

4240003 is a wasteful number, since it uses less digits than its factorization.

4240003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 4240003 is about 2059.1267566617. The cubic root of 4240003 is about 161.8534848643.

Adding to 4240003 its reverse (3000424), we get a palindrome (7240427).

The spelling of 4240003 in words is "four million, two hundred forty thousand, three".