308234939 has 16 divisors (see below), whose sum is σ = 343375200. Its totient is φ = 275326464.

The previous prime is 308234933. The next prime is 308234989. The reversal of 308234939 is 939432803.

It is not a de Polignac number, because 308234939 - 2¹⁶ = 308169403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 308234896 and 308234905.

It is not an unprimeable number, because it can be changed into a prime (308234933) 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 15 ways as a sum of consecutive naturals, for example, 23789 + ... + 34385.

It is an arithmetic number, because the mean of its divisors is an integer number (21460950).

Almost surely, 2^308234939 is an apocalyptic number.

308234939 is a deficient number, since it is larger than the sum of its proper divisors (35140261).

308234939 is a wasteful number, since it uses less digits than its factorization.

308234939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10702.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 308234939 is about 17556.6209448174. The cubic root of 308234939 is about 675.5030097921.

The spelling of 308234939 in words is "three hundred eight million, two hundred thirty-four thousand, nine hundred thirty-nine".