308196214 has 4 divisors (see below), whose sum is σ = 462294324. Its totient is φ = 154098106.

The previous prime is 308196209. The next prime is 308196269. The reversal of 308196214 is 412691803.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 308196214.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 77049052 + ... + 77049055.

It is an arithmetic number, because the mean of its divisors is an integer number (115573581).

Almost surely, 2^308196214 is an apocalyptic number.

308196214 is a deficient number, since it is larger than the sum of its proper divisors (154098110).

308196214 is a wasteful number, since it uses less digits than its factorization.

308196214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154098109.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 308196214 is about 17555.5180498896. The cubic root of 308196214 is about 675.4747197376.

The spelling of 308196214 in words is "three hundred eight million, one hundred ninety-six thousand, two hundred fourteen".