42184867 has 2 divisors, whose sum is σ = 42184868. Its totient is φ = 42184866.

The previous prime is 42184861. The next prime is 42184927. The reversal of 42184867 is 76848124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42184867 - 2⁷ = 42184739 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42184861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21092433 + 21092434.

It is an arithmetic number, because the mean of its divisors is an integer number (21092434).

Almost surely, 2^42184867 is an apocalyptic number.

42184867 is a deficient number, since it is larger than the sum of its proper divisors (1).

42184867 is an equidigital number, since it uses as much as digits as its factorization.

42184867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 40.

The square root of 42184867 is about 6494.9878367861. The cubic root of 42184867 is about 348.1119201164. Note that the first 3 decimals are identical.

The spelling of 42184867 in words is "forty-two million, one hundred eighty-four thousand, eight hundred sixty-seven".