4381187 has 2 divisors, whose sum is σ = 4381188. Its totient is φ = 4381186.

The previous prime is 4381183. The next prime is 4381249. The reversal of 4381187 is 7811834.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4381187 - 2² = 4381183 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4381183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2190593 + 2190594.

It is an arithmetic number, because the mean of its divisors is an integer number (2190594).

Almost surely, 2^4381187 is an apocalyptic number.

4381187 is a deficient number, since it is larger than the sum of its proper divisors (1).

4381187 is an equidigital number, since it uses as much as digits as its factorization.

4381187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 32.

The square root of 4381187 is about 2093.1285197044. The cubic root of 4381187 is about 163.6303766702.

The spelling of 4381187 in words is "four million, three hundred eighty-one thousand, one hundred eighty-seven".