308832242 has 4 divisors (see below), whose sum is σ = 463248366. Its totient is φ = 154416120.

The previous prime is 308832241. The next prime is 308832269. The reversal of 308832242 is 242238803.

308832242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 274598041 + 34234201 = 16571^2 + 5851^2 .

It is a junction number, because it is equal to n+sod(n) for n = 308832199 and 308832208.

It is not an unprimeable number, because it can be changed into a prime (308832241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77208059 + ... + 77208062.

Almost surely, 2^308832242 is an apocalyptic number.

308832242 is a deficient number, since it is larger than the sum of its proper divisors (154416124).

308832242 is a wasteful number, since it uses less digits than its factorization.

308832242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154416123.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 308832242 is about 17573.6234738315. The cubic root of 308832242 is about 675.9390620582.

The spelling of 308832242 in words is "three hundred eight million, eight hundred thirty-two thousand, two hundred forty-two".