11028424 has 24 divisors (see below), whose sum is σ = 22731030. Its totient is φ = 5012480.

The previous prime is 11028421. The next prime is 11028443. The reversal of 11028424 is 42482011.

It can be written as a sum of positive squares in only one way, i.e., 8305924 + 2722500 = 2882^2 + 1650^2 .

It is a super-2 number, since 2×11028424² = 243252271847552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 11028395 and 11028404.

It is not an unprimeable number, because it can be changed into a prime (11028421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4729 + ... + 6664.

Almost surely, 2^11028424 is an apocalyptic number.

It is an amenable number.

11028424 is an abundant number, since it is smaller than the sum of its proper divisors (11702606).

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

11028424 is a wasteful number, since it uses less digits than its factorization.

11028424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11421 (or 11406 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 11028424 is about 3320.9071049941. The cubic root of 11028424 is about 222.5894031159.

The spelling of 11028424 in words is "eleven million, twenty-eight thousand, four hundred twenty-four".