307198214 has 4 divisors (see below), whose sum is σ = 460797324. Its totient is φ = 153599106.

The previous prime is 307198193. The next prime is 307198219. The reversal of 307198214 is 412891703.

307198214 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412891703 = 7 ⋅58984529.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307198219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76799552 + ... + 76799555.

It is an arithmetic number, because the mean of its divisors is an integer number (115199331).

Almost surely, 2^307198214 is an apocalyptic number.

307198214 is a deficient number, since it is larger than the sum of its proper divisors (153599110).

307198214 is a wasteful number, since it uses less digits than its factorization.

307198214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153599109.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 307198214 is about 17527.0708904825. The cubic root of 307198214 is about 674.7448246254.

The spelling of 307198214 in words is "three hundred seven million, one hundred ninety-eight thousand, two hundred fourteen".