11043988 has 12 divisors (see below), whose sum is σ = 19360852. Its totient is φ = 5512320.

The previous prime is 11043973. The next prime is 11044001. The reversal of 11043988 is 88934011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9560464 + 1483524 = 3092^2 + 1218^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556 + ... + 4732.

Almost surely, 2^11043988 is an apocalyptic number.

It is an amenable number.

11043988 is a deficient number, since it is larger than the sum of its proper divisors (8316864).

11043988 is a wasteful number, since it uses less digits than its factorization.

11043988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4842 (or 4840 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 11043988 is about 3323.2496144587. The cubic root of 11043988 is about 222.6940645806.

Adding to 11043988 its reverse (88934011), we get a palindrome (99977999).

The spelling of 11043988 in words is "eleven million, forty-three thousand, nine hundred eighty-eight".