10689256 has 16 divisors (see below), whose sum is σ = 20268900. Its totient is φ = 5284224.

The previous prime is 10689251. The next prime is 10689269. The reversal of 10689256 is 65298601.

It can be written as a sum of positive squares in 2 ways, for example, as 10666756 + 22500 = 3266^2 + 150^2 .

It is a super-2 number, since 2×10689256² = 228520387667072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10689251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6795 + ... + 8218.

Almost surely, 2^10689256 is an apocalyptic number.

It is an amenable number.

10689256 is a deficient number, since it is larger than the sum of its proper divisors (9579644).

10689256 is a wasteful number, since it uses less digits than its factorization.

10689256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15108 (or 15104 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 10689256 is about 3269.4427659771. The cubic root of 10689256 is about 220.2837660596.

The spelling of 10689256 in words is "ten million, six hundred eighty-nine thousand, two hundred fifty-six".