10689894 has 80 divisors (see below), whose sum is σ = 26484480. Its totient is φ = 3207600.

The previous prime is 10689883. The next prime is 10689907. The reversal of 10689894 is 49898601.

10689894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10689894² = 228547667462472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70719 + ... + 70869.

It is an arithmetic number, because the mean of its divisors is an integer number (331056).

Almost surely, 2^10689894 is an apocalyptic number.

10689894 is the 1748-th nonagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10689894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13242240).

10689894 is an abundant number, since it is smaller than the sum of its proper divisors (15794586).

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

10689894 is a wasteful number, since it uses less digits than its factorization.

10689894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 10689894 is about 3269.5403346648. The cubic root of 10689894 is about 220.2881485987.

It can be divided in two parts, 106 and 89894, that added together give a square (90000 = 300²).

The spelling of 10689894 in words is "ten million, six hundred eighty-nine thousand, eight hundred ninety-four".