84683971 has 16 divisors (see below), whose sum is σ = 89497600. Its totient is φ = 80028000.

The previous prime is 84683959. The next prime is 84684023. The reversal of 84683971 is 17938648.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 84683971 - 2⁷ = 84683843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84683941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369685 + ... + 369913.

It is an arithmetic number, because the mean of its divisors is an integer number (5593600).

Almost surely, 2^84683971 is an apocalyptic number.

84683971 is a deficient number, since it is larger than the sum of its proper divisors (4813629).

84683971 is a wasteful number, since it uses less digits than its factorization.

84683971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490.

The product of its digits is 290304, while the sum is 46.

The square root of 84683971 is about 9202.3894179718. The cubic root of 84683971 is about 439.1373784588.

The spelling of 84683971 in words is "eighty-four million, six hundred eighty-three thousand, nine hundred seventy-one".