4167881 has 2 divisors, whose sum is σ = 4167882. Its totient is φ = 4167880.

The previous prime is 4167847. The next prime is 4167893. The reversal of 4167881 is 1887614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3553225 + 614656 = 1885^2 + 784^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4167881 is a prime.

It is a super-2 number, since 2×4167881² = 34742464060322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4167841) 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, 2083940 + 2083941.

It is an arithmetic number, because the mean of its divisors is an integer number (2083941).

Almost surely, 2^4167881 is an apocalyptic number.

It is an amenable number.

4167881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4167881 is an equidigital number, since it uses as much as digits as its factorization.

4167881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 35.

The square root of 4167881 is about 2041.5388803547. The cubic root of 4167881 is about 160.9305282618.

The spelling of 4167881 in words is "four million, one hundred sixty-seven thousand, eight hundred eighty-one".