11998350 has 144 divisors (see below), whose sum is σ = 39809952. Its totient is φ = 2522880.

The previous prime is 11998303. The next prime is 11998369. The reversal of 11998350 is 5389911.

It is a happy number.

11998350 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 40804 + ... + 41096.

It is an arithmetic number, because the mean of its divisors is an integer number (276458).

Almost surely, 2^11998350 is an apocalyptic number.

11998350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11998350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19904976).

11998350 is an abundant number, since it is smaller than the sum of its proper divisors (27811602).

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

11998350 is a wasteful number, since it uses less digits than its factorization.

11998350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 11998350 is about 3463.8634499645. The cubic root of 11998350 is about 228.9323548158.

The spelling of 11998350 in words is "eleven million, nine hundred ninety-eight thousand, three hundred fifty".