84006685 has 8 divisors (see below), whose sum is σ = 115209216. Its totient is φ = 57604560.

The previous prime is 84006617. The next prime is 84006701. The reversal of 84006685 is 58660048.

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

It is not a de Polignac number, because 84006685 - 2⁹ = 84006173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1200061 + ... + 1200130.

It is an arithmetic number, because the mean of its divisors is an integer number (14401152).

Almost surely, 2^84006685 is an apocalyptic number.

It is an amenable number.

84006685 is a deficient number, since it is larger than the sum of its proper divisors (31202531).

84006685 is a wasteful number, since it uses less digits than its factorization.

84006685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400203.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 84006685 is about 9165.5160793051. The cubic root of 84006685 is about 437.9635315717.

The spelling of 84006685 in words is "eighty-four million, six thousand, six hundred eighty-five".