8921141 has 6 divisors (see below), whose sum is σ = 9477090. Its totient is φ = 8396096.

The previous prime is 8921131. The next prime is 8921161. The reversal of 8921141 is 1411298.

It can be written as a sum of positive squares in 3 ways, for example, as 1380625 + 7540516 = 1175^2 + 2746^2 .

It is not a de Polignac number, because 8921141 - 2¹⁸ = 8658997 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 8921141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8921131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15146 + ... + 15723.

It is an arithmetic number, because the mean of its divisors is an integer number (1579515).

Almost surely, 2^8921141 is an apocalyptic number.

It is an amenable number.

8921141 is a deficient number, since it is larger than the sum of its proper divisors (555949).

8921141 is a wasteful number, since it uses less digits than its factorization.

8921141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30903 (or 30886 counting only the distinct ones).

The product of its digits is 576, while the sum is 26.

The square root of 8921141 is about 2986.8279160340. The cubic root of 8921141 is about 207.3990683466.

The spelling of 8921141 in words is "eight million, nine hundred twenty-one thousand, one hundred forty-one".