11398208 has 28 divisors (see below), whose sum is σ = 22730460. Its totient is φ = 5670912.

The previous prime is 11398201. The next prime is 11398213. The reversal of 11398208 is 80289311.

It can be written as a sum of positive squares in 2 ways, for example, as 692224 + 10705984 = 832^2 + 3272^2 .

It is a super-2 number, since 2×11398208² = 259838291222528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (11398201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19748 + ... + 20316.

Almost surely, 2^11398208 is an apocalyptic number.

It is an amenable number.

11398208 is a deficient number, since it is larger than the sum of its proper divisors (11332252).

11398208 is an equidigital number, since it uses as much as digits as its factorization.

11398208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894 (or 884 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 11398208 is about 3376.1232205001. The cubic root of 11398208 is about 225.0499181425.

The spelling of 11398208 in words is "eleven million, three hundred ninety-eight thousand, two hundred eight".