10990000 has 100 divisors (see below), whose sum is σ = 30602704. Its totient is φ = 3744000.

The previous prime is 10989991. The next prime is 10990013. The reversal of 10990000 is 9901.

10990000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (100).

It is a self number, because there is not a number n which added to its sum of digits gives 10990000.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69922 + ... + 70078.

Almost surely, 2^10990000 is an apocalyptic number.

10990000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10990000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15301352).

10990000 is an abundant number, since it is smaller than the sum of its proper divisors (19612704).

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

10990000 is an equidigital number, since it uses as much as digits as its factorization.

10990000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 10990000 is about 3315.1168908502. The cubic root of 10990000 is about 222.3305952883.

Adding to 10990000 its reverse (9901), we get a palindrome (10999901).

It can be divided in two parts, 109 and 90000, that added together give a palindrome (90109).

The spelling of 10990000 in words is "ten million, nine hundred ninety thousand".