308468881 has 8 divisors (see below), whose sum is σ = 352649600. Its totient is φ = 264316608.

The previous prime is 308468863. The next prime is 308468891. The reversal of 308468881 is 188864803.

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

It is a cyclic number.

It is not a de Polignac number, because 308468881 - 2¹⁵ = 308436113 is a prime.

It is a super-2 number, since 2×308468881² = 190306101090784322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (308468821) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27145 + ... + 36793.

It is an arithmetic number, because the mean of its divisors is an integer number (44081200).

Almost surely, 2^308468881 is an apocalyptic number.

It is an amenable number.

308468881 is a deficient number, since it is larger than the sum of its proper divisors (44180719).

308468881 is an equidigital number, since it uses as much as digits as its factorization.

308468881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14223.

The product of its (nonzero) digits is 294912, while the sum is 46.

The square root of 308468881 is about 17563.2821818702. The cubic root of 308468881 is about 675.6738627597.

The spelling of 308468881 in words is "three hundred eight million, four hundred sixty-eight thousand, eight hundred eighty-one".