8430242 has 8 divisors (see below), whose sum is σ = 13081500. Its totient is φ = 4069744.

The previous prime is 8430217. The next prime is 8430251. The reversal of 8430242 is 2420348.

It can be written as a sum of positive squares in 2 ways, for example, as 8357881 + 72361 = 2891^2 + 269^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72617 + ... + 72732.

Almost surely, 2^8430242 is an apocalyptic number.

8430242 is a deficient number, since it is larger than the sum of its proper divisors (4651258).

8430242 is a wasteful number, since it uses less digits than its factorization.

8430242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145380.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 8430242 is about 2903.4879025062. The cubic root of 8430242 is about 203.5229304452.

The spelling of 8430242 in words is "eight million, four hundred thirty thousand, two hundred forty-two".