84019648 has 28 divisors (see below), whose sum is σ = 167243760. Its totient is φ = 41879552.

The previous prime is 84019633. The next prime is 84019651. The reversal of 84019648 is 84691048.

It is a self number, because there is not a number n which added to its sum of digits gives 84019648.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20733 + ... + 24451.

Almost surely, 2^84019648 is an apocalyptic number.

It is an amenable number.

84019648 is a deficient number, since it is larger than the sum of its proper divisors (83224112).

84019648 is a wasteful number, since it uses less digits than its factorization.

84019648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084 (or 4074 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 84019648 is about 9166.2232135160. The cubic root of 84019648 is about 437.9860576729.

The spelling of 84019648 in words is "eighty-four million, nineteen thousand, six hundred forty-eight".