84004085 has 8 divisors (see below), whose sum is σ = 109969056. Its totient is φ = 61093840.

The previous prime is 84004033. The next prime is 84004117. The reversal of 84004085 is 58040048.

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

It is not a de Polignac number, because 84004085 - 2²⁴ = 67226869 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, 763619 + ... + 763728.

It is an arithmetic number, because the mean of its divisors is an integer number (13746132).

Almost surely, 2^84004085 is an apocalyptic number.

It is an amenable number.

84004085 is a deficient number, since it is larger than the sum of its proper divisors (25964971).

84004085 is a wasteful number, since it uses less digits than its factorization.

84004085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527363.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 84004085 is about 9165.3742422227. The cubic root of 84004085 is about 437.9590132133.

The spelling of 84004085 in words is "eighty-four million, four thousand, eighty-five".