4378093 has 2 divisors, whose sum is σ = 4378094. Its totient is φ = 4378092.

The previous prime is 4378079. The next prime is 4378123. The reversal of 4378093 is 3908734.

4378093 is nontrivially palindromic in base 12.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4338889 + 39204 = 2083^2 + 198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4378093 is a prime.

4378093 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4378013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2189046 + 2189047.

It is an arithmetic number, because the mean of its divisors is an integer number (2189047).

Almost surely, 2^4378093 is an apocalyptic number.

It is an amenable number.

4378093 is a deficient number, since it is larger than the sum of its proper divisors (1).

4378093 is an equidigital number, since it uses as much as digits as its factorization.

4378093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 4378093 is about 2092.3893041210. The cubic root of 4378093 is about 163.5918489372.

The spelling of 4378093 in words is "four million, three hundred seventy-eight thousand, ninety-three".