10389963 has 6 divisors (see below), whose sum is σ = 13860732. Its totient is φ = 6922920.

The previous prime is 10389937. The next prime is 10389983. The reversal of 10389963 is 36998301.

It is not a de Polignac number, because 10389963 - 2⁵ = 10389931 is a prime.

It is a super-2 number, since 2×10389963² = 215902662282738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10389913) 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 5 ways as a sum of consecutive naturals, for example, 4653 + ... + 6513.

It is an arithmetic number, because the mean of its divisors is an integer number (2310122).

Almost surely, 2^10389963 is an apocalyptic number.

10389963 is a deficient number, since it is larger than the sum of its proper divisors (3470769).

10389963 is an frugal number, since it uses more digits than its factorization.

10389963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 10389963 is about 3223.3465528857. The cubic root of 10389963 is about 218.2083340722.

Multiplying 10389963 by its product of nonzero digits (34992), we get a square (363565585296 = 602964²).

The spelling of 10389963 in words is "ten million, three hundred eighty-nine thousand, nine hundred sixty-three".