10216403 has 8 divisors (see below), whose sum is σ = 10643040. Its totient is φ = 9797760.

The previous prime is 10216397. The next prime is 10216441. The reversal of 10216403 is 30461201.

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 10216403 - 2²⁰ = 9167827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10216103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683 + ... + 4571.

It is an arithmetic number, because the mean of its divisors is an integer number (1330380).

Almost surely, 2^10216403 is an apocalyptic number.

10216403 is the 1709-th centered heptagonal number.

10216403 is a deficient number, since it is larger than the sum of its proper divisors (426637).

10216403 is an equidigital number, since it uses as much as digits as its factorization.

10216403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3997.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 10216403 is about 3196.3108422054. The cubic root of 10216403 is about 216.9864786609.

Adding to 10216403 its reverse (30461201), we get a palindrome (40677604).

The spelling of 10216403 in words is "ten million, two hundred sixteen thousand, four hundred three".