308648712 has 16 divisors (see below), whose sum is σ = 771621840. Its totient is φ = 102882896.

The previous prime is 308648693. The next prime is 308648713. The reversal of 308648712 is 217846803.

It is not an unprimeable number, because it can be changed into a prime (308648713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6430158 + ... + 6430205.

It is an arithmetic number, because the mean of its divisors is an integer number (48226365).

Almost surely, 2^308648712 is an apocalyptic number.

It is an amenable number.

308648712 is an abundant number, since it is smaller than the sum of its proper divisors (462973128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

308648712 is a wasteful number, since it uses less digits than its factorization.

308648712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12860372 (or 12860368 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 308648712 is about 17568.4009517087. The cubic root of 308648712 is about 675.8051385647.

The spelling of 308648712 in words is "three hundred eight million, six hundred forty-eight thousand, seven hundred twelve".