4242340 has 12 divisors (see below), whose sum is σ = 8908956. Its totient is φ = 1696928.

The previous prime is 4242317. The next prime is 4242349. The reversal of 4242340 is 432424.

It can be written as a sum of positive squares in 2 ways, for example, as 760384 + 3481956 = 872^2 + 1866^2 .

It is a super-3 number, since 3×4242340³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4242349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106039 + ... + 106078.

It is an arithmetic number, because the mean of its divisors is an integer number (742413).

Almost surely, 2^4242340 is an apocalyptic number.

It is an amenable number.

4242340 is an abundant number, since it is smaller than the sum of its proper divisors (4666616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4242340 is a wasteful number, since it uses less digits than its factorization.

4242340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212126 (or 212124 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 4242340 is about 2059.6941520527. The cubic root of 4242340 is about 161.8832161421.

Adding to 4242340 its reverse (432424), we get a palindrome (4674764).

The spelling of 4242340 in words is "four million, two hundred forty-two thousand, three hundred forty".