308288396 has 12 divisors (see below), whose sum is σ = 581005152. Its totient is φ = 142286928.

The previous prime is 308288363. The next prime is 308288401. The reversal of 308288396 is 693882803.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 308288396.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2964260 + ... + 2964363.

It is an arithmetic number, because the mean of its divisors is an integer number (48417096).

Almost surely, 2^308288396 is an apocalyptic number.

It is an amenable number.

308288396 is a deficient number, since it is larger than the sum of its proper divisors (272716756).

308288396 is a wasteful number, since it uses less digits than its factorization.

308288396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5928640 (or 5928638 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 308288396 is about 17558.1432959183. The cubic root of 308288396 is about 675.5420582283.

The spelling of 308288396 in words is "three hundred eight million, two hundred eighty-eight thousand, three hundred ninety-six".