10009864 has 16 divisors (see below), whose sum is σ = 19033920. Its totient is φ = 4934160.

The previous prime is 10009823. The next prime is 10009871. The reversal of 10009864 is 46890001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8244 + ... + 9379.

It is an arithmetic number, because the mean of its divisors is an integer number (1189620).

Almost surely, 2^10009864 is an apocalyptic number.

It is an amenable number.

10009864 is a deficient number, since it is larger than the sum of its proper divisors (9024056).

10009864 is a wasteful number, since it uses less digits than its factorization.

10009864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17700 (or 17696 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 10009864 is about 3163.8369110939. The cubic root of 10009864 is about 215.5142835371.

Adding to 10009864 its reverse (46890001), we get a palindrome (56899865).

The spelling of 10009864 in words is "ten million, nine thousand, eight hundred sixty-four".