84141681 has 16 divisors (see below), whose sum is σ = 121015104. Its totient is φ = 51695424.

The previous prime is 84141679. The next prime is 84141763. The reversal of 84141681 is 18614148.

It is not a de Polignac number, because 84141681 - 2¹ = 84141679 is a prime.

It is a super-2 number, since 2×84141681² = 14159644963011522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84141661) 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 15 ways as a sum of consecutive naturals, for example, 29730 + ... + 32436.

It is an arithmetic number, because the mean of its divisors is an integer number (7563444).

Almost surely, 2^84141681 is an apocalyptic number.

It is an amenable number.

84141681 is a deficient number, since it is larger than the sum of its proper divisors (36873423).

84141681 is a wasteful number, since it uses less digits than its factorization.

84141681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3520.

The product of its digits is 6144, while the sum is 33.

The square root of 84141681 is about 9172.8774656593. The cubic root of 84141681 is about 438.1980037187.

The spelling of 84141681 in words is "eighty-four million, one hundred forty-one thousand, six hundred eighty-one".