308434893 has 16 divisors (see below), whose sum is σ = 468933696. Its totient is φ = 178640640.

The previous prime is 308434891. The next prime is 308434901. The reversal of 308434893 is 398434803.

It is not a de Polignac number, because 308434893 - 2¹ = 308434891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308434891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231943 + ... + 233268.

It is an arithmetic number, because the mean of its divisors is an integer number (29308356).

Almost surely, 2^308434893 is an apocalyptic number.

It is an amenable number.

308434893 is a deficient number, since it is larger than the sum of its proper divisors (160498803).

308434893 is a wasteful number, since it uses less digits than its factorization.

308434893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465244.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 308434893 is about 17562.3145684161. The cubic root of 308434893 is about 675.6490459433.

The spelling of 308434893 in words is "three hundred eight million, four hundred thirty-four thousand, eight hundred ninety-three".