10345866 has 32 divisors (see below), whose sum is σ = 21997440. Its totient is φ = 3237696.

The previous prime is 10345859. The next prime is 10345879. The reversal of 10345866 is 66854301.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5635 + ... + 7241.

It is an arithmetic number, because the mean of its divisors is an integer number (687420).

Almost surely, 2^10345866 is an apocalyptic number.

10345866 is an abundant number, since it is smaller than the sum of its proper divisors (11651574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10345866 is a wasteful number, since it uses less digits than its factorization.

10345866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 10345866 is about 3216.4990284469. The cubic root of 10345866 is about 217.8991902665.

It can be divided in two parts, 10345 and 866, that added together give a palindrome (11211).

The spelling of 10345866 in words is "ten million, three hundred forty-five thousand, eight hundred sixty-six".