10688831 has 4 divisors (see below), whose sum is σ = 11033664. Its totient is φ = 10344000.

The previous prime is 10688827. The next prime is 10688833. The reversal of 10688831 is 13888601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10688831 - 2² = 10688827 is a prime.

It is a super-2 number, since 2×10688831² = 228502216293122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10688791 and 10688800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10688833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172370 + ... + 172431.

It is an arithmetic number, because the mean of its divisors is an integer number (2758416).

Almost surely, 2^10688831 is an apocalyptic number.

10688831 is a deficient number, since it is larger than the sum of its proper divisors (344833).

10688831 is an equidigital number, since it uses as much as digits as its factorization.

10688831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344832.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 10688831 is about 3269.3777695458. The cubic root of 10688831 is about 220.2808465598.

The spelling of 10688831 in words is "ten million, six hundred eighty-eight thousand, eight hundred thirty-one".