84684673 has 4 divisors (see below), whose sum is σ = 86654128. Its totient is φ = 82715220.

The previous prime is 84684641. The next prime is 84684679. The reversal of 84684673 is 37648648.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84684673 - 2⁵ = 84684641 is a prime.

It is a super-2 number, since 2×84684673² = 14342987682233858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84684679) 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 3 ways as a sum of consecutive naturals, for example, 984663 + ... + 984748.

It is an arithmetic number, because the mean of its divisors is an integer number (21663532).

Almost surely, 2^84684673 is an apocalyptic number.

It is an amenable number.

84684673 is a deficient number, since it is larger than the sum of its proper divisors (1969455).

84684673 is a wasteful number, since it uses less digits than its factorization.

84684673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969454.

The product of its digits is 774144, while the sum is 46.

The square root of 84684673 is about 9202.4275601604. The cubic root of 84684673 is about 439.1385918863.

The spelling of 84684673 in words is "eighty-four million, six hundred eighty-four thousand, six hundred seventy-three".