308676242 has 32 divisors (see below), whose sum is σ = 589783680. Its totient is φ = 117953280.

The previous prime is 308676233. The next prime is 308676281. The reversal of 308676242 is 242676803.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 308676196 and 308676205.

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 15 ways as a sum of consecutive naturals, for example, 29609 + ... + 38652.

It is an arithmetic number, because the mean of its divisors is an integer number (18430740).

Almost surely, 2^308676242 is an apocalyptic number.

308676242 is a deficient number, since it is larger than the sum of its proper divisors (281107438).

308676242 is a wasteful number, since it uses less digits than its factorization.

308676242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68306.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 308676242 is about 17569.1844432233. The cubic root of 308676242 is about 675.8252308375.

The spelling of 308676242 in words is "three hundred eight million, six hundred seventy-six thousand, two hundred forty-two".