11183898 has 32 divisors (see below), whose sum is σ = 25002432. Its totient is φ = 3305600.

The previous prime is 11183897. The next prime is 11183917. The reversal of 11183898 is 89838111.

11183898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11183891) 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, 640 + ... + 4772.

It is an arithmetic number, because the mean of its divisors is an integer number (781326).

Almost surely, 2^11183898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11183898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12501216).

11183898 is an abundant number, since it is smaller than the sum of its proper divisors (13818534).

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

11183898 is a wasteful number, since it uses less digits than its factorization.

11183898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190.

The product of its digits is 13824, while the sum is 39.

The square root of 11183898 is about 3344.2335444762. The cubic root of 11183898 is about 223.6305159841.

The spelling of 11183898 in words is "eleven million, one hundred eighty-three thousand, eight hundred ninety-eight".