308042834 has 32 divisors (see below), whose sum is σ = 520321536. Its totient is φ = 135544320.

The previous prime is 308042827. The next prime is 308042857. The reversal of 308042834 is 438240803.

It is a self number, because there is not a number n which added to its sum of digits gives 308042834.

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 15 ways as a sum of consecutive naturals, for example, 180674 + ... + 182370.

It is an arithmetic number, because the mean of its divisors is an integer number (16260048).

Almost surely, 2^308042834 is an apocalyptic number.

308042834 is a deficient number, since it is larger than the sum of its proper divisors (212278702).

308042834 is a wasteful number, since it uses less digits than its factorization.

308042834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970.

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

The square root of 308042834 is about 17551.1490791914. The cubic root of 308042834 is about 675.3626466497.

The spelling of 308042834 in words is "three hundred eight million, forty-two thousand, eight hundred thirty-four".