84821648 has 20 divisors (see below), whose sum is σ = 164810880. Its totient is φ = 42289824.

The previous prime is 84821621. The next prime is 84821651. The reversal of 84821648 is 84612848.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640 + ... + 13127.

It is an arithmetic number, because the mean of its divisors is an integer number (8240544).

Almost surely, 2^84821648 is an apocalyptic number.

It is an amenable number.

84821648 is a deficient number, since it is larger than the sum of its proper divisors (79989232).

84821648 is a wasteful number, since it uses less digits than its factorization.

84821648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15134 (or 15128 counting only the distinct ones).

The product of its digits is 98304, while the sum is 41.

The square root of 84821648 is about 9209.8668828599. The cubic root of 84821648 is about 439.3752289887.

The spelling of 84821648 in words is "eighty-four million, eight hundred twenty-one thousand, six hundred forty-eight".