84673685 has 8 divisors (see below), whose sum is σ = 107585496. Its totient is φ = 63754240.

The previous prime is 84673681. The next prime is 84673717. The reversal of 84673685 is 58637648.

It can be written as a sum of positive squares in 4 ways, for example, as 5410276 + 79263409 = 2326^2 + 8903^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84673685 - 2² = 84673681 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 (84673681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497996 + ... + 498165.

It is an arithmetic number, because the mean of its divisors is an integer number (13448187).

Almost surely, 2^84673685 is an apocalyptic number.

84673685 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

84673685 is a deficient number, since it is larger than the sum of its proper divisors (22911811).

84673685 is a wasteful number, since it uses less digits than its factorization.

84673685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996183.

The product of its digits is 967680, while the sum is 47.

The square root of 84673685 is about 9201.8305244120. The cubic root of 84673685 is about 439.1195980378.

It can be divided in two parts, 84673 and 685, that added together give a palindrome (85358).

The spelling of 84673685 in words is "eighty-four million, six hundred seventy-three thousand, six hundred eighty-five".