11308428 has 36 divisors (see below), whose sum is σ = 29510208. Its totient is φ = 3647520.

The previous prime is 11308411. The next prime is 11308457. The reversal of 11308428 is 82480311.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3951 + ... + 6182.

It is an arithmetic number, because the mean of its divisors is an integer number (819728).

Almost surely, 2^11308428 is an apocalyptic number.

11308428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11308428 is an abundant number, since it is smaller than the sum of its proper divisors (18201780).

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

11308428 is a wasteful number, since it uses less digits than its factorization.

11308428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10174 (or 10169 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 11308428 is about 3362.8006185321. The cubic root of 11308428 is about 224.4574781032.

Adding to 11308428 its reverse (82480311), we get a palindrome (93788739).

The spelling of 11308428 in words is "eleven million, three hundred eight thousand, four hundred twenty-eight".