84131198 has 16 divisors (see below), whose sum is σ = 133920864. Its totient is φ = 39502080.

The previous prime is 84131197. The next prime is 84131219. The reversal of 84131198 is 89113148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84131197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14018 + ... + 19098.

It is an arithmetic number, because the mean of its divisors is an integer number (8370054).

Almost surely, 2^84131198 is an apocalyptic number.

84131198 is a deficient number, since it is larger than the sum of its proper divisors (49789666).

84131198 is a wasteful number, since it uses less digits than its factorization.

84131198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5587.

The product of its digits is 6912, while the sum is 35.

The square root of 84131198 is about 9172.3060350165. The cubic root of 84131198 is about 438.1798049679.

The spelling of 84131198 in words is "eighty-four million, one hundred thirty-one thousand, one hundred ninety-eight".