84530644 has 48 divisors (see below), whose sum is σ = 167388480. Its totient is φ = 37013760.

The previous prime is 84530629. The next prime is 84530651. The reversal of 84530644 is 44603548.

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 15 ways as a sum of consecutive naturals, for example, 222847 + ... + 223225.

It is an arithmetic number, because the mean of its divisors is an integer number (3487260).

Almost surely, 2^84530644 is an apocalyptic number.

It is an amenable number.

84530644 is a deficient number, since it is larger than the sum of its proper divisors (82857836).

84530644 is a wasteful number, since it uses less digits than its factorization.

84530644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 84530644 is about 9194.0548181964. The cubic root of 84530644 is about 438.8721874065.

The spelling of 84530644 in words is "eighty-four million, five hundred thirty thousand, six hundred forty-four".