10505869 has 8 divisors (see below), whose sum is σ = 11831040. Its totient is φ = 9242400.

The previous prime is 10505851. The next prime is 10505893. The reversal of 10505869 is 96850501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10505869 - 2⁵ = 10505837 is a prime.

It is a super-2 number, since 2×10505869² = 220746566890322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15064 + ... + 15745.

It is an arithmetic number, because the mean of its divisors is an integer number (1478880).

Almost surely, 2^10505869 is an apocalyptic number.

It is an amenable number.

10505869 is a deficient number, since it is larger than the sum of its proper divisors (1325171).

10505869 is a wasteful number, since it uses less digits than its factorization.

10505869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30851.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 10505869 is about 3241.2758290525. The cubic root of 10505869 is about 219.0167484394.

The spelling of 10505869 in words is "ten million, five hundred five thousand, eight hundred sixty-nine".