2403242 has 8 divisors (see below), whose sum is σ = 3615300. Its totient is φ = 1198144.

The previous prime is 2403229. The next prime is 2403263. The reversal of 2403242 is 2423042.

2403242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2374681 + 28561 = 1541^2 + 169^2 .

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

It is a super-2 number, since 2×2403242² = 11551144221128, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2403242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767 + ... + 2322.

2^2403242 is an apocalyptic number.

2403242 is a deficient number, since it is larger than the sum of its proper divisors (1212058).

2403242 is a wasteful number, since it uses less digits than its factorization.

2403242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480.

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

The square root of 2403242 is about 1550.2393363607. The cubic root of 2403242 is about 133.9468490475.

Adding to 2403242 its reverse (2423042), we get a palindrome (4826284).

The spelling of 2403242 in words is "two million, four hundred three thousand, two hundred forty-two".