11385198 has 40 divisors (see below), whose sum is σ = 27834840. Its totient is φ = 3449520.

The previous prime is 11385191. The next prime is 11385203. The reversal of 11385198 is 89158311.

11385198 is a `hidden beast` number, since 1 + 138 + 519 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11385191) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1413 + ... + 4976.

It is an arithmetic number, because the mean of its divisors is an integer number (695871).

Almost surely, 2^11385198 is an apocalyptic number.

11385198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11385198 is an abundant number, since it is smaller than the sum of its proper divisors (16449642).

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

11385198 is a wasteful number, since it uses less digits than its factorization.

11385198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6414 (or 6405 counting only the distinct ones).

The product of its digits is 8640, while the sum is 36.

The square root of 11385198 is about 3374.1959042118. The cubic root of 11385198 is about 224.9642609902.

It can be divided in two parts, 1138 and 5198, that added together give a palindrome (6336).

The spelling of 11385198 in words is "eleven million, three hundred eighty-five thousand, one hundred ninety-eight".