84016481 has 4 divisors (see below), whose sum is σ = 84580500. Its totient is φ = 83452464.

The previous prime is 84016463. The next prime is 84016487. The reversal of 84016481 is 18461048.

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 52432081 + 31584400 = 7241^2 + 5620^2 .

It is a cyclic number.

It is not a de Polignac number, because 84016481 - 2¹⁰ = 84015457 is a prime.

It is a super-2 number, since 2×84016481² = 14117538159246722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84016487) 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, 281786 + ... + 282083.

It is an arithmetic number, because the mean of its divisors is an integer number (21145125).

Almost surely, 2^84016481 is an apocalyptic number.

It is an amenable number.

84016481 is a deficient number, since it is larger than the sum of its proper divisors (564019).

84016481 is a wasteful number, since it uses less digits than its factorization.

84016481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564018.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 84016481 is about 9166.0504580763. The cubic root of 84016481 is about 437.9805545185.

The spelling of 84016481 in words is "eighty-four million, sixteen thousand, four hundred eighty-one".