10388963 has 4 divisors (see below), whose sum is σ = 11188128. Its totient is φ = 9589800.

The previous prime is 10388957. The next prime is 10388993. The reversal of 10388963 is 36988301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10388963 - 2⁴ = 10388947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10388923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399563 + ... + 399588.

It is an arithmetic number, because the mean of its divisors is an integer number (2797032).

Almost surely, 2^10388963 is an apocalyptic number.

10388963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10388963 is a deficient number, since it is larger than the sum of its proper divisors (799165).

10388963 is an equidigital number, since it uses as much as digits as its factorization.

10388963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799164.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 10388963 is about 3223.1914308648. The cubic root of 10388963 is about 218.2013332345.

It can be divided in two parts, 1038 and 8963, that added together give a palindrome (10001).

The spelling of 10388963 in words is "ten million, three hundred eighty-eight thousand, nine hundred sixty-three".