84528646 has 8 divisors (see below), whose sum is σ = 130219920. Its totient is φ = 41122008.

The previous prime is 84528637. The next prime is 84528659. The reversal of 84528646 is 64682548.

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

It is a congruent number.

It is an unprimeable number.

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, 571066 + ... + 571213.

It is an arithmetic number, because the mean of its divisors is an integer number (16277490).

Almost surely, 2^84528646 is an apocalyptic number.

84528646 is a deficient number, since it is larger than the sum of its proper divisors (45691274).

84528646 is a wasteful number, since it uses less digits than its factorization.

84528646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142318.

The product of its digits is 368640, while the sum is 43.

The square root of 84528646 is about 9193.9461603818. The cubic root of 84528646 is about 438.8687295933.

The spelling of 84528646 in words is "eighty-four million, five hundred twenty-eight thousand, six hundred forty-six".