11866338 has 40 divisors (see below), whose sum is σ = 29010960. Its totient is φ = 3595320.

The previous prime is 11866333. The next prime is 11866363. The reversal of 11866338 is 83366811.

11866338 is a `hidden beast` number, since 1 + 18 + 6 + 633 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (11866331) 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, 1548 + ... + 5111.

It is an arithmetic number, because the mean of its divisors is an integer number (725274).

Almost surely, 2^11866338 is an apocalyptic number.

11866338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11866338 is an abundant number, since it is smaller than the sum of its proper divisors (17144622).

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

11866338 is a wasteful number, since it uses less digits than its factorization.

11866338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6684 (or 6675 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 11866338 is about 3444.7551436931. The cubic root of 11866338 is about 228.0896461883.

The spelling of 11866338 in words is "eleven million, eight hundred sixty-six thousand, three hundred thirty-eight".