84587408 has 20 divisors (see below), whose sum is σ = 164044188. Its totient is φ = 42253440.

The previous prime is 84587401. The next prime is 84587413. The reversal of 84587408 is 80478548.

It can be written as a sum of positive squares in 2 ways, for example, as 56370064 + 28217344 = 7508^2 + 5312^2 .

It is not an unprimeable number, because it can be changed into a prime (84587401) 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, 22118 + ... + 25658.

Almost surely, 2^84587408 is an apocalyptic number.

It is an amenable number.

84587408 is a deficient number, since it is larger than the sum of its proper divisors (79456780).

84587408 is a wasteful number, since it uses less digits than its factorization.

84587408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5042 (or 5036 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 44.

The square root of 84587408 is about 9197.1412949894. The cubic root of 84587408 is about 438.9704025445.

The spelling of 84587408 in words is "eighty-four million, five hundred eighty-seven thousand, four hundred eight".