63628403 has 8 divisors (see below), whose sum is σ = 64475136. Its totient is φ = 62787400.

The previous prime is 63628393. The next prime is 63628421. The reversal of 63628403 is 30482636.

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 63628403 - 2⁴ = 63628387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63628403.

It is not an unprimeable number, because it can be changed into a prime (63628303) 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, 23750 + ... + 26292.

It is an arithmetic number, because the mean of its divisors is an integer number (8059392).

Almost surely, 2^63628403 is an apocalyptic number.

63628403 is a deficient number, since it is larger than the sum of its proper divisors (846733).

63628403 is a wasteful number, since it uses less digits than its factorization.

63628403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 63628403 is about 7976.7413772793. The cubic root of 63628403 is about 399.2243364206.

The spelling of 63628403 in words is "sixty-three million, six hundred twenty-eight thousand, four hundred three".