84884181 has 16 divisors (see below), whose sum is σ = 115162944. Its totient is φ = 55603584.

The previous prime is 84884167. The next prime is 84884203. The reversal of 84884181 is 18148848.

It is not a de Polignac number, because 84884181 - 2¹⁹ = 84359893 is a prime.

It is a super-2 number, since 2×84884181² = 14410648368081522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84884101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75435 + ... + 76551.

It is an arithmetic number, because the mean of its divisors is an integer number (7197684).

Almost surely, 2^84884181 is an apocalyptic number.

It is an amenable number.

84884181 is a deficient number, since it is larger than the sum of its proper divisors (30278763).

84884181 is a wasteful number, since it uses less digits than its factorization.

84884181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540.

The product of its digits is 65536, while the sum is 42.

The square root of 84884181 is about 9213.2611490178. The cubic root of 84884181 is about 439.4831758895.

The spelling of 84884181 in words is "eighty-four million, eight hundred eighty-four thousand, one hundred eighty-one".