9141887 has 4 divisors (see below), whose sum is σ = 9291816. Its totient is φ = 8991960.

The previous prime is 9141883. The next prime is 9141901. The reversal of 9141887 is 7881419.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9141887 - 2² = 9141883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9141887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9141883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74873 + ... + 74994.

It is an arithmetic number, because the mean of its divisors is an integer number (2322954).

Almost surely, 2^9141887 is an apocalyptic number.

9141887 is a deficient number, since it is larger than the sum of its proper divisors (149929).

9141887 is a wasteful number, since it uses less digits than its factorization.

9141887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149928.

The product of its digits is 16128, while the sum is 38.

The square root of 9141887 is about 3023.5553575220. Note that the first 3 decimals coincide. The cubic root of 9141887 is about 209.0957872322.

The spelling of 9141887 in words is "nine million, one hundred forty-one thousand, eight hundred eighty-seven".