10889556 has 48 divisors (see below), whose sum is σ = 26654208. Its totient is φ = 3456000.

The previous prime is 10889551. The next prime is 10889561. The reversal of 10889556 is 65598801.

It is an interprime number because it is at equal distance from previous prime (10889551) and next prime (10889561).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10889551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26956 + ... + 27356.

It is an arithmetic number, because the mean of its divisors is an integer number (555296).

Almost surely, 2^10889556 is an apocalyptic number.

It is an amenable number.

10889556 is an abundant number, since it is smaller than the sum of its proper divisors (15764652).

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

10889556 is a wasteful number, since it uses less digits than its factorization.

10889556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 10889556 is about 3299.9327265870. The cubic root of 10889556 is about 221.6511850294.

The spelling of 10889556 in words is "ten million, eight hundred eighty-nine thousand, five hundred fifty-six".