828487 has 12 divisors (see below), whose sum is σ = 938448. Its totient is φ = 730400.

The previous prime is 828449. The next prime is 828517. The reversal of 828487 is 784828.

It is a de Polignac number, because none of the positive numbers 2^k-828487 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 8² + 2⁸ + 4² + 8³ + 8⁴ + 7⁷ .

It is a Duffinian number.

828487 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4878 + ... + 5044.

It is an arithmetic number, because the mean of its divisors is an integer number (78204).

2⁸²⁸⁴⁸⁷ is an apocalyptic number.

828487 is a deficient number, since it is larger than the sum of its proper divisors (109961).

828487 is a wasteful number, since it uses less digits than its factorization.

828487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 219 counting only the distinct ones).

The product of its digits is 28672, while the sum is 37.

The square root of 828487 is about 910.2126125252. The cubic root of 828487 is about 93.9208251371.

The spelling of 828487 in words is "eight hundred twenty-eight thousand, four hundred eighty-seven".