8628403 has 8 divisors (see below), whose sum is σ = 9912672. Its totient is φ = 7357056.

The previous prime is 8628383. The next prime is 8628407. The reversal of 8628403 is 3048268.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8628403 - 2¹³ = 8620211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8628407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1750 + ... + 4507.

It is an arithmetic number, because the mean of its divisors is an integer number (1239084).

Almost surely, 2^8628403 is an apocalyptic number.

8628403 is a deficient number, since it is larger than the sum of its proper divisors (1284269).

8628403 is a wasteful number, since it uses less digits than its factorization.

8628403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6461.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 8628403 is about 2937.4143391765. The cubic root of 8628403 is about 205.1052642022.

The spelling of 8628403 in words is "eight million, six hundred twenty-eight thousand, four hundred three".