11027889 has 12 divisors (see below), whose sum is σ = 15970500. Its totient is φ = 7332864.

The previous prime is 11027881. The next prime is 11027899. The reversal of 11027889 is 98872011.

It can be written as a sum of positive squares in 2 ways, for example, as 9090225 + 1937664 = 3015^2 + 1392^2 .

It is not a de Polignac number, because 11027889 - 2³ = 11027881 is a prime.

It is a super-2 number, since 2×11027889² = 243228671592642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11027881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2677 + ... + 5405.

It is an arithmetic number, because the mean of its divisors is an integer number (1330875).

Almost surely, 2^11027889 is an apocalyptic number.

It is an amenable number.

11027889 is a deficient number, since it is larger than the sum of its proper divisors (4942611).

11027889 is a wasteful number, since it uses less digits than its factorization.

11027889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3184 (or 3181 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 11027889 is about 3320.8265537363. The cubic root of 11027889 is about 222.5858037120.

The spelling of 11027889 in words is "eleven million, twenty-seven thousand, eight hundred eighty-nine".