84030198 has 80 divisors (see below), whose sum is σ = 207049920. Its totient is φ = 22670928.

The previous prime is 84030169. The next prime is 84030209. The reversal of 84030198 is 89103048.

It is a super-2 number, since 2×84030198² = 14122148351838408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 273561 + ... + 273867.

It is an arithmetic number, because the mean of its divisors is an integer number (2588124).

Almost surely, 2^84030198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84030198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103524960).

84030198 is an abundant number, since it is smaller than the sum of its proper divisors (123019722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84030198 is a wasteful number, since it uses less digits than its factorization.

84030198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 84030198 is about 9166.7986778373. The cubic root of 84030198 is about 438.0043889387.

The spelling of 84030198 in words is "eighty-four million, thirty thousand, one hundred ninety-eight".