10985900 has 18 divisors (see below), whose sum is σ = 23839620. Its totient is φ = 4394320.

The previous prime is 10985899. The next prime is 10985903. The reversal of 10985900 is 958901.

10985900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10985903) 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, 54830 + ... + 55029.

Almost surely, 2^10985900 is an apocalyptic number.

10985900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10985900 is an abundant number, since it is smaller than the sum of its proper divisors (12853720).

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

10985900 is a wasteful number, since it uses less digits than its factorization.

10985900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109873 (or 109866 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 10985900 is about 3314.4984537634. The cubic root of 10985900 is about 222.3029438227.

It can be divided in two parts, 1098 and 5900, that multiplied together give a triangular number (6478200 = T₃₅₉₉).

The spelling of 10985900 in words is "ten million, nine hundred eighty-five thousand, nine hundred".