828403403 has 4 divisors (see below), whose sum is σ = 828460968. Its totient is φ = 828345840.

The previous prime is 828403393. The next prime is 828403417. The reversal of 828403403 is 304304828.

828403403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 828403403 - 2¹⁴ = 828387019 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 828403403.

It is not an unprimeable number, because it can be changed into a prime (828403423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14375 + ... + 43167.

It is an arithmetic number, because the mean of its divisors is an integer number (207115242).

Almost surely, 2^828403403 is an apocalyptic number.

828403403 is a deficient number, since it is larger than the sum of its proper divisors (57565).

828403403 is a wasteful number, since it uses less digits than its factorization.

828403403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57564.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 828403403 is about 28781.9978979917. The cubic root of 828403403 is about 939.1766605985.

The spelling of 828403403 in words is "eight hundred twenty-eight million, four hundred three thousand, four hundred three".