34384187 has 2 divisors, whose sum is σ = 34384188. Its totient is φ = 34384186.

The previous prime is 34384157. The next prime is 34384201. The reversal of 34384187 is 78148343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34384187 - 2¹⁶ = 34318651 is a prime.

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 34384187.

It is not a weakly prime, because it can be changed into another prime (34384157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17192093 + 17192094.

It is an arithmetic number, because the mean of its divisors is an integer number (17192094).

Almost surely, 2^34384187 is an apocalyptic number.

34384187 is a deficient number, since it is larger than the sum of its proper divisors (1).

34384187 is an equidigital number, since it uses as much as digits as its factorization.

34384187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 38.

The square root of 34384187 is about 5863.8031174316. The cubic root of 34384187 is about 325.1768252749.

The spelling of 34384187 in words is "thirty-four million, three hundred eighty-four thousand, one hundred eighty-seven".