84189298 has 4 divisors (see below), whose sum is σ = 126283950. Its totient is φ = 42094648.

The previous prime is 84189293. The next prime is 84189299. The reversal of 84189298 is 89298148.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 84143929 + 45369 = 9173^2 + 213^2 .

It is not an unprimeable number, because it can be changed into a prime (84189293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21047323 + ... + 21047326.

Almost surely, 2^84189298 is an apocalyptic number.

84189298 is a deficient number, since it is larger than the sum of its proper divisors (42094652).

84189298 is a wasteful number, since it uses less digits than its factorization.

84189298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42094651.

The product of its digits is 331776, while the sum is 49.

The square root of 84189298 is about 9175.4726308785. The cubic root of 84189298 is about 438.2806490033.

The spelling of 84189298 in words is "eighty-four million, one hundred eighty-nine thousand, two hundred ninety-eight".