84424671 has 24 divisors (see below), whose sum is σ = 125233056. Its totient is φ = 54786240.

The previous prime is 84424667. The next prime is 84424783. The reversal of 84424671 is 17642448.

It is not a de Polignac number, because 84424671 - 2² = 84424667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84424621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55801 + ... + 57293.

It is an arithmetic number, because the mean of its divisors is an integer number (5218044).

Almost surely, 2^84424671 is an apocalyptic number.

84424671 is a deficient number, since it is larger than the sum of its proper divisors (40808385).

84424671 is a wasteful number, since it uses less digits than its factorization.

84424671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663 (or 1660 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 84424671 is about 9188.2898844127. The cubic root of 84424671 is about 438.6887113358.

The spelling of 84424671 in words is "eighty-four million, four hundred twenty-four thousand, six hundred seventy-one".