10856869 has 2 divisors, whose sum is σ = 10856870. Its totient is φ = 10856868.

The previous prime is 10856861. The next prime is 10856893. The reversal of 10856869 is 96865801.

10856869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10640644 + 216225 = 3262^2 + 465^2 .

It is a cyclic number.

It is not a de Polignac number, because 10856869 - 2³ = 10856861 is a prime.

It is a super-2 number, since 2×10856869² = 235743208966322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10856861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5428434 + 5428435.

It is an arithmetic number, because the mean of its divisors is an integer number (5428435).

Almost surely, 2^10856869 is an apocalyptic number.

It is an amenable number.

10856869 is a deficient number, since it is larger than the sum of its proper divisors (1).

10856869 is an equidigital number, since it uses as much as digits as its factorization.

10856869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 10856869 is about 3294.9763276843. The cubic root of 10856869 is about 221.4291871942.

The spelling of 10856869 in words is "ten million, eight hundred fifty-six thousand, eight hundred sixty-nine".