84241181 has 4 divisors (see below), whose sum is σ = 84285852. Its totient is φ = 84196512.

The previous prime is 84241169. The next prime is 84241187. The reversal of 84241181 is 18114248.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14668900 + 69572281 = 3830^2 + 8341^2 .

It is a cyclic number.

It is not a de Polignac number, because 84241181 - 2¹⁴ = 84224797 is a prime.

It is a super-2 number, since 2×84241181² = 14193153152549522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84241187) 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 in 3 ways as a sum of consecutive naturals, for example, 19376 + ... + 23321.

It is an arithmetic number, because the mean of its divisors is an integer number (21071463).

Almost surely, 2^84241181 is an apocalyptic number.

It is an amenable number.

84241181 is a deficient number, since it is larger than the sum of its proper divisors (44671).

84241181 is a wasteful number, since it uses less digits than its factorization.

84241181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44670.

The product of its digits is 2048, while the sum is 29.

The square root of 84241181 is about 9178.2994612292. The cubic root of 84241181 is about 438.3706629991.

The spelling of 84241181 in words is "eighty-four million, two hundred forty-one thousand, one hundred eighty-one".