84985898 has 12 divisors (see below), whose sum is σ = 134542530. Its totient is φ = 40256136.

The previous prime is 84985891. The next prime is 84985913. The reversal of 84985898 is 89858948.

It can be written as a sum of positive squares in only one way, i.e., 75394489 + 9591409 = 8683^2 + 3097^2 .

It is not an unprimeable number, because it can be changed into a prime (84985891) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58133 + ... + 59576.

Almost surely, 2^84985898 is an apocalyptic number.

84985898 is a deficient number, since it is larger than the sum of its proper divisors (49556632).

84985898 is a wasteful number, since it uses less digits than its factorization.

84985898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117749 (or 117730 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 59.

The square root of 84985898 is about 9218.7796372405. The cubic root of 84985898 is about 439.6586505408.

The spelling of 84985898 in words is "eighty-four million, nine hundred eighty-five thousand, eight hundred ninety-eight".