308913196 has 12 divisors (see below), whose sum is σ = 544725720. Its totient is φ = 153277280.

The previous prime is 308913169. The next prime is 308913223. The reversal of 308913196 is 691319803.

It is an interprime number because it is at equal distance from previous prime (308913169) and next prime (308913223).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294241 + ... + 295288.

It is an arithmetic number, because the mean of its divisors is an integer number (45393810).

Almost surely, 2^308913196 is an apocalyptic number.

It is an amenable number.

308913196 is a deficient number, since it is larger than the sum of its proper divisors (235812524).

308913196 is a wasteful number, since it uses less digits than its factorization.

308913196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589664 (or 589662 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 308913196 is about 17575.9266043074. The cubic root of 308913196 is about 675.9981180579.

The spelling of 308913196 in words is "three hundred eight million, nine hundred thirteen thousand, one hundred ninety-six".