306206242 has 8 divisors (see below), whose sum is σ = 483483600. Its totient is φ = 145045044.

The previous prime is 306206237. The next prime is 306206279. The reversal of 306206242 is 242602603.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4028992 + ... + 4029067.

It is an arithmetic number, because the mean of its divisors is an integer number (60435450).

Almost surely, 2^306206242 is an apocalyptic number.

306206242 is a deficient number, since it is larger than the sum of its proper divisors (177277358).

306206242 is a wasteful number, since it uses less digits than its factorization.

306206242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8058080.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 306206242 is about 17498.7497267662. The cubic root of 306206242 is about 674.0177699325.

Adding to 306206242 its reverse (242602603), we get a palindrome (548808845).

The spelling of 306206242 in words is "three hundred six million, two hundred six thousand, two hundred forty-two".