308442275 has 6 divisors (see below), whose sum is σ = 382468452. Its totient is φ = 246753800.

The previous prime is 308442269. The next prime is 308442287. The reversal of 308442275 is 572244803.

It is not a de Polignac number, because 308442275 - 2²⁸ = 40006819 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6168821 + ... + 6168870.

It is an arithmetic number, because the mean of its divisors is an integer number (63744742).

Almost surely, 2^308442275 is an apocalyptic number.

308442275 is a deficient number, since it is larger than the sum of its proper divisors (74026177).

308442275 is a wasteful number, since it uses less digits than its factorization.

308442275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12337701 (or 12337696 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 308442275 is about 17562.5247330787. The cubic root of 308442275 is about 675.6544361695.

The spelling of 308442275 in words is "three hundred eight million, four hundred forty-two thousand, two hundred seventy-five".