40884187 has 2 divisors, whose sum is σ = 40884188. Its totient is φ = 40884186.

The previous prime is 40884169. The next prime is 40884199. The reversal of 40884187 is 78148804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40884187 - 2⁷ = 40884059 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40884587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20442093 + 20442094.

It is an arithmetic number, because the mean of its divisors is an integer number (20442094).

Almost surely, 2^40884187 is an apocalyptic number.

40884187 is a deficient number, since it is larger than the sum of its proper divisors (1).

40884187 is an equidigital number, since it uses as much as digits as its factorization.

40884187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 40884187 is about 6394.0743661612. The cubic root of 40884187 is about 344.4967443728.

The spelling of 40884187 in words is "forty million, eight hundred eighty-four thousand, one hundred eighty-seven".