11390328 has 32 divisors (see below), whose sum is σ = 31640400. Its totient is φ = 3796704.

The previous prime is 11390321. The next prime is 11390341. The reversal of 11390328 is 82309311.

It is a super-3 number, since 3×11390328³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11390321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26151 + ... + 26582.

Almost surely, 2^11390328 is an apocalyptic number.

11390328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11390328 is an abundant number, since it is smaller than the sum of its proper divisors (20250072).

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

11390328 is a wasteful number, since it uses less digits than its factorization.

11390328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52748 (or 52738 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 11390328 is about 3374.9559997132. The cubic root of 11390328 is about 224.9980444274.

Adding to 11390328 its reverse (82309311), we get a palindrome (93699639).

The spelling of 11390328 in words is "eleven million, three hundred ninety thousand, three hundred twenty-eight".