11836998 has 48 divisors (see below), whose sum is σ = 27495936. Its totient is φ = 3667200.

The previous prime is 11836991. The next prime is 11837011. The reversal of 11836998 is 89963811.

11836998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11836998² = 280229043304008, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11836991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30715 + ... + 31097.

It is an arithmetic number, because the mean of its divisors is an integer number (572832).

Almost surely, 2^11836998 is an apocalyptic number.

11836998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11836998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13747968).

11836998 is an abundant number, since it is smaller than the sum of its proper divisors (15658938).

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

11836998 is a wasteful number, since it uses less digits than its factorization.

11836998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 506 counting only the distinct ones).

The product of its digits is 93312, while the sum is 45.

The square root of 11836998 is about 3440.4938598986. The cubic root of 11836998 is about 227.9015040857.

The spelling of 11836998 in words is "eleven million, eight hundred thirty-six thousand, nine hundred ninety-eight".