654198 has 16 divisors (see below), whose sum is σ = 1321920. Its totient is φ = 215816.

The previous prime is 654191. The next prime is 654209. The reversal of 654198 is 891456.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 654198.

It is not an unprimeable number, because it can be changed into a prime (654191) 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, 133 + ... + 1151.

It is an arithmetic number, because the mean of its divisors is an integer number (82620).

2⁶⁵⁴¹⁹⁸ is an apocalyptic number.

654198 is an abundant number, since it is smaller than the sum of its proper divisors (667722).

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

654198 is a wasteful number, since it uses less digits than its factorization.

654198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131.

The product of its digits is 8640, while the sum is 33.

The square root of 654198 is about 808.8250737953. The cubic root of 654198 is about 86.8099962296.

The spelling of 654198 in words is "six hundred fifty-four thousand, one hundred ninety-eight".