1164198 has 32 divisors (see below), whose sum is σ = 2716416. Its totient is φ = 325728.

The previous prime is 1164193. The next prime is 1164199. The reversal of 1164198 is 8914611.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1965 + ... + 2487.

It is an arithmetic number, because the mean of its divisors is an integer number (84888).

2^1164198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1164198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1358208).

1164198 is an abundant number, since it is smaller than the sum of its proper divisors (1552218).

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

1164198 is a wasteful number, since it uses less digits than its factorization.

1164198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588.

The product of its digits is 1728, while the sum is 30.

The square root of 1164198 is about 1078.9800739587. The cubic root of 1164198 is about 105.1983552105.

The spelling of 1164198 in words is "one million, one hundred sixty-four thousand, one hundred ninety-eight".