84204671 has 4 divisors (see below), whose sum is σ = 84810600. Its totient is φ = 83598744.

The previous prime is 84204647. The next prime is 84204709. The reversal of 84204671 is 17640248.

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

It is a cyclic number.

It is not a de Polignac number, because 84204671 - 2⁶ = 84204607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84204271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302756 + ... + 303033.

It is an arithmetic number, because the mean of its divisors is an integer number (21202650).

Almost surely, 2^84204671 is an apocalyptic number.

84204671 is a deficient number, since it is larger than the sum of its proper divisors (605929).

84204671 is a wasteful number, since it uses less digits than its factorization.

84204671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605928.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 84204671 is about 9176.3103151539. The cubic root of 84204671 is about 438.3073241212.

The spelling of 84204671 in words is "eighty-four million, two hundred four thousand, six hundred seventy-one".