2430242 has 4 divisors (see below), whose sum is σ = 3645366. Its totient is φ = 1215120.

The previous prime is 2430227. The next prime is 2430251. The reversal of 2430242 is 2420342.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2253001 + 177241 = 1501^2 + 421^2 .

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 2430242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607559 + ... + 607562.

2^2430242 is an apocalyptic number.

2430242 is a deficient number, since it is larger than the sum of its proper divisors (1215124).

2430242 is a wasteful number, since it uses less digits than its factorization.

2430242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215123.

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

The square root of 2430242 is about 1558.9233464157. The cubic root of 2430242 is about 134.4466052113.

Adding to 2430242 its reverse (2420342), we get a palindrome (4850584).

The spelling of 2430242 in words is "two million, four hundred thirty thousand, two hundred forty-two".