11368890 has 128 divisors (see below), whose sum is σ = 33868800. Its totient is φ = 2695680.

The previous prime is 11368873. The next prime is 11368901. The reversal of 11368890 is 9886311.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 143871 + ... + 143949.

It is an arithmetic number, because the mean of its divisors is an integer number (264600).

Almost surely, 2^11368890 is an apocalyptic number.

11368890 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 11368890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16934400).

11368890 is an abundant number, since it is smaller than the sum of its proper divisors (22499910).

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

11368890 is a wasteful number, since it uses less digits than its factorization.

11368890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 11368890 is about 3371.7784624735. The cubic root of 11368890 is about 224.8567977665.

The spelling of 11368890 in words is "eleven million, three hundred sixty-eight thousand, eight hundred ninety".