11331628 has 24 divisors (see below), whose sum is σ = 24724224. Its totient is φ = 4414800.

The previous prime is 11331611. The next prime is 11331641. The reversal of 11331628 is 82613311.

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 7 ways as a sum of consecutive naturals, for example, 18088 + ... + 18703.

It is an arithmetic number, because the mean of its divisors is an integer number (1030176).

Almost surely, 2^11331628 is an apocalyptic number.

It is an amenable number.

11331628 is an abundant number, since it is smaller than the sum of its proper divisors (13392596).

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

11331628 is a wasteful number, since it uses less digits than its factorization.

11331628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36813 (or 36811 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 11331628 is about 3366.2483568507. The cubic root of 11331628 is about 224.6108697867.

Adding to 11331628 its reverse (82613311), we get a palindrome (93944939).

The spelling of 11331628 in words is "eleven million, three hundred thirty-one thousand, six hundred twenty-eight".