308242899 has 6 divisors (see below), whose sum is σ = 445239756. Its totient is φ = 205495260.

The previous prime is 308242829. The next prime is 308242901. The reversal of 308242899 is 998242803.

It is not a de Polignac number, because 308242899 - 2⁷ = 308242771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (308242829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17124597 + ... + 17124614.

It is an arithmetic number, because the mean of its divisors is an integer number (74206626).

Almost surely, 2^308242899 is an apocalyptic number.

308242899 is a deficient number, since it is larger than the sum of its proper divisors (136996857).

308242899 is a wasteful number, since it uses less digits than its factorization.

308242899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34249217 (or 34249214 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 308242899 is about 17556.8476384572. The cubic root of 308242899 is about 675.5088245749.

The spelling of 308242899 in words is "three hundred eight million, two hundred forty-two thousand, eight hundred ninety-nine".