10388999 has 8 divisors (see below), whose sum is σ = 10805760. Its totient is φ = 9977400.

The previous prime is 10388993. The next prime is 10389013. The reversal of 10388999 is 99988301.

10388999 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10388999 - 2⁸ = 10388743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10388993) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3104 + ... + 5514.

It is an arithmetic number, because the mean of its divisors is an integer number (1350720).

Almost surely, 2^10388999 is an apocalyptic number.

10388999 is a deficient number, since it is larger than the sum of its proper divisors (416761).

10388999 is a wasteful number, since it uses less digits than its factorization.

10388999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581.

The product of its (nonzero) digits is 139968, while the sum is 47.

The square root of 10388999 is about 3223.1970153871. The cubic root of 10388999 is about 218.2015852724.

The spelling of 10388999 in words is "ten million, three hundred eighty-eight thousand, nine hundred ninety-nine".