84321698 has 8 divisors (see below), whose sum is σ = 126542892. Its totient is φ = 42140736.

The previous prime is 84321697. The next prime is 84321701. The reversal of 84321698 is 89612348.

It can be written as a sum of positive squares in 2 ways, for example, as 82210489 + 2111209 = 9067^2 + 1453^2 .

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

It is a super-2 number, since 2×84321698² = 14220297507206408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84321697) by changing a digit.

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, 4115 + ... + 13622.

Almost surely, 2^84321698 is an apocalyptic number.

84321698 is a deficient number, since it is larger than the sum of its proper divisors (42221194).

84321698 is a wasteful number, since it uses less digits than its factorization.

84321698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20116.

The product of its digits is 82944, while the sum is 41.

The square root of 84321698 is about 9182.6846836859. The cubic root of 84321698 is about 438.5102821693.

The spelling of 84321698 in words is "eighty-four million, three hundred twenty-one thousand, six hundred ninety-eight".