306217342 has 8 divisors (see below), whose sum is σ = 462144456. Its totient is φ = 152169192.

The previous prime is 306217339. The next prime is 306217363. The reversal of 306217342 is 243712603.

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

It is a self number, because there is not a number n which added to its sum of digits gives 306217342.

It is a congruent number.

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, 469333 + ... + 469984.

It is an arithmetic number, because the mean of its divisors is an integer number (57768057).

Almost surely, 2^306217342 is an apocalyptic number.

306217342 is a deficient number, since it is larger than the sum of its proper divisors (155927114).

306217342 is a wasteful number, since it uses less digits than its factorization.

306217342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939482.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 306217342 is about 17499.0668894087. The cubic root of 306217342 is about 674.0259142328.

Adding to 306217342 its reverse (243712603), we get a palindrome (549929945).

The spelling of 306217342 in words is "three hundred six million, two hundred seventeen thousand, three hundred forty-two".