4381807 has 2 divisors, whose sum is σ = 4381808. Its totient is φ = 4381806.

The previous prime is 4381787. The next prime is 4381823. The reversal of 4381807 is 7081834.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4381807 - 2¹¹ = 4379759 is a prime.

It is a Chen prime.

4381807 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4381847) 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, 2190903 + 2190904.

It is an arithmetic number, because the mean of its divisors is an integer number (2190904).

Almost surely, 2^4381807 is an apocalyptic number.

4381807 is a deficient number, since it is larger than the sum of its proper divisors (1).

4381807 is an equidigital number, since it uses as much as digits as its factorization.

4381807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 4381807 is about 2093.2766181277. The cubic root of 4381807 is about 163.6380949779.

The spelling of 4381807 in words is "four million, three hundred eighty-one thousand, eight hundred seven".