828404469 has 64 divisors (see below), whose sum is σ = 1300147200. Its totient is φ = 520805376.

The previous prime is 828404419. The next prime is 828404471. The reversal of 828404469 is 964404828.

828404469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 828404469 - 2⁹ = 828403957 is a prime.

It is a super-2 number, since 2×828404469² = 1372507928518343922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828404419) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7330957 + ... + 7331069.

It is an arithmetic number, because the mean of its divisors is an integer number (20314800).

Almost surely, 2^828404469 is an apocalyptic number.

It is an amenable number.

828404469 is a deficient number, since it is larger than the sum of its proper divisors (471742731).

828404469 is a wasteful number, since it uses less digits than its factorization.

828404469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 828404469 is about 28782.0164165056. The cubic root of 828404469 is about 939.1770634465.

The spelling of 828404469 in words is "eight hundred twenty-eight million, four hundred four thousand, four hundred sixty-nine".