84988 has 6 divisors (see below), whose sum is σ = 148736. Its totient is φ = 42492.

The previous prime is 84979. The next prime is 84991. The reversal of 84988 is 88948.

It is a congruent number.

It is an unprimeable number.

84988 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 as a sum of consecutive naturals, namely, 10620 + ... + 10627.

2⁸⁴⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

84988 is a deficient number, since it is larger than the sum of its proper divisors (63748).

84988 is a wasteful number, since it uses less digits than its factorization.

84988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21251 (or 21249 counting only the distinct ones).

The product of its digits is 18432, while the sum is 37.

The square root of 84988 is about 291.5270141856. The cubic root of 84988 is about 43.9662275279.

The spelling of 84988 in words is "eighty-four thousand, nine hundred eighty-eight".