84867408 has 30 divisors (see below), whose sum is σ = 237511274. Its totient is φ = 28289088.

The previous prime is 84867397. The next prime is 84867413. The reversal of 84867408 is 80476848.

It can be written as a sum of positive squares in only one way, i.e., 84492864 + 374544 = 9192^2 + 612^2 .

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 5 ways as a sum of consecutive naturals, for example, 294535 + ... + 294822.

Almost surely, 2^84867408 is an apocalyptic number.

It is an amenable number.

84867408 is an abundant number, since it is smaller than the sum of its proper divisors (152643866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84867408 is a wasteful number, since it uses less digits than its factorization.

84867408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589371 (or 589362 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 84867408 is about 9212.3508400408. The cubic root of 84867408 is about 439.4542268878.

The spelling of 84867408 in words is "eighty-four million, eight hundred sixty-seven thousand, four hundred eight".