84171383 has 4 divisors (see below), whose sum is σ = 84274728. Its totient is φ = 84068040.

The previous prime is 84171377. The next prime is 84171389. The reversal of 84171383 is 38317148.

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

It is an interprime number because it is at equal distance from previous prime (84171377) and next prime (84171389).

It is a cyclic number.

It is not a de Polignac number, because 84171383 - 2¹⁸ = 83909239 is a prime.

It is a super-2 number, since 2×84171383² = 14169643432265378, 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 (84171389) 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, 50441 + ... + 52082.

It is an arithmetic number, because the mean of its divisors is an integer number (21068682).

Almost surely, 2^84171383 is an apocalyptic number.

84171383 is a deficient number, since it is larger than the sum of its proper divisors (103345).

84171383 is a wasteful number, since it uses less digits than its factorization.

84171383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103344.

The product of its digits is 16128, while the sum is 35.

The square root of 84171383 is about 9174.4963349494. The cubic root of 84171383 is about 438.2495589281.

The spelling of 84171383 in words is "eighty-four million, one hundred seventy-one thousand, three hundred eighty-three".