304040027 has 2 divisors, whose sum is σ = 304040028. Its totient is φ = 304040026.

The previous prime is 304040021. The next prime is 304040081. The reversal of 304040027 is 720040403.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (720040403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 304040027 - 2²² = 299845723 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 304039990 and 304040008.

It is not a weakly prime, because it can be changed into another prime (304040021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152020013 + 152020014.

It is an arithmetic number, because the mean of its divisors is an integer number (152020014).

Almost surely, 2^304040027 is an apocalyptic number.

304040027 is a deficient number, since it is larger than the sum of its proper divisors (1).

304040027 is an equidigital number, since it uses as much as digits as its factorization.

304040027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 304040027 is about 17436.7435893288. The cubic root of 304040027 is about 672.4245909834.

The spelling of 304040027 in words is "three hundred four million, forty thousand, twenty-seven".