84553684 has 6 divisors (see below), whose sum is σ = 147968954. Its totient is φ = 42276840.

The previous prime is 84553661. The next prime is 84553691. The reversal of 84553684 is 48635548.

It can be written as a sum of positive squares in only one way, i.e., 52969284 + 31584400 = 7278^2 + 5620^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 84553684.

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 as a sum of consecutive naturals, namely, 10569207 + ... + 10569214.

Almost surely, 2^84553684 is an apocalyptic number.

It is an amenable number.

84553684 is a deficient number, since it is larger than the sum of its proper divisors (63415270).

84553684 is a wasteful number, since it uses less digits than its factorization.

84553684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21138425 (or 21138423 counting only the distinct ones).

The product of its digits is 460800, while the sum is 43.

The square root of 84553684 is about 9195.3077164389. The cubic root of 84553684 is about 438.9120573525.

The spelling of 84553684 in words is "eighty-four million, five hundred fifty-three thousand, six hundred eighty-four".