308109196 has 12 divisors (see below), whose sum is σ = 562634352. Its totient is φ = 147356528.

The previous prime is 308109121. The next prime is 308109199. The reversal of 308109196 is 691901803.

It is not an unprimeable number, because it can be changed into a prime (308109199) 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, 1674415 + ... + 1674598.

It is an arithmetic number, because the mean of its divisors is an integer number (46886196).

Almost surely, 2^308109196 is an apocalyptic number.

It is an amenable number.

308109196 is a deficient number, since it is larger than the sum of its proper divisors (254525156).

308109196 is a wasteful number, since it uses less digits than its factorization.

308109196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349040 (or 3349038 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 308109196 is about 17553.0395088714. The cubic root of 308109196 is about 675.4111412019.

The spelling of 308109196 in words is "three hundred eight million, one hundred nine thousand, one hundred ninety-six".