10557806 has 24 divisors (see below), whose sum is σ = 19110960. Its totient is φ = 4284576.

The previous prime is 10557791. The next prime is 10557823. The reversal of 10557806 is 60875501.

It is a super-2 number, since 2×10557806² = 222934535067272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4010 + ... + 6098.

It is an arithmetic number, because the mean of its divisors is an integer number (796290).

Almost surely, 2^10557806 is an apocalyptic number.

10557806 is a deficient number, since it is larger than the sum of its proper divisors (8553154).

10557806 is a wasteful number, since it uses less digits than its factorization.

10557806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136 (or 2117 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 10557806 is about 3249.2777659043. The cubic root of 10557806 is about 219.3770670227.

The spelling of 10557806 in words is "ten million, five hundred fifty-seven thousand, eight hundred six".