304928147 has 2 divisors, whose sum is σ = 304928148. Its totient is φ = 304928146.

The previous prime is 304928087. The next prime is 304928149. The reversal of 304928147 is 741829403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 304928147 - 2⁸ = 304927891 is a prime.

Together with 304928149, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 304928147.

It is not a weakly prime, because it can be changed into another prime (304928149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152464073 + 152464074.

It is an arithmetic number, because the mean of its divisors is an integer number (152464074).

Almost surely, 2^304928147 is an apocalyptic number.

304928147 is a deficient number, since it is larger than the sum of its proper divisors (1).

304928147 is an equidigital number, since it uses as much as digits as its factorization.

304928147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 304928147 is about 17462.1919299955. The cubic root of 304928147 is about 673.0786859890.

The spelling of 304928147 in words is "three hundred four million, nine hundred twenty-eight thousand, one hundred forty-seven".