5636403 has 24 divisors (see below), whose sum is σ = 8634912. Its totient is φ = 3535488.

The previous prime is 5636399. The next prime is 5636419. The reversal of 5636403 is 3046365.

5636403 is a nontrivial binomial coefficient, being equal to C(3358, 2).

It is not a de Polignac number, because 5636403 - 2² = 5636399 is a prime.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (5636453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14925 + ... + 15297.

It is an arithmetic number, because the mean of its divisors is an integer number (359788).

Almost surely, 2^5636403 is an apocalyptic number.

5636403 is the 3357-th triangular number and also the 1679-th hexagonal number.

5636403 is a deficient number, since it is larger than the sum of its proper divisors (2998509).

5636403 is a wasteful number, since it uses less digits than its factorization.

5636403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 5636403 is about 2374.1109915082. The cubic root of 5636403 is about 177.9647596776.

The spelling of 5636403 in words is "five million, six hundred thirty-six thousand, four hundred three".