828388 has 24 divisors (see below), whose sum is σ = 1610784. Its totient is φ = 369600.

The previous prime is 828383. The next prime is 828397. The reversal of 828388 is 883828.

828388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (828383) 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, 2808 + ... + 3088.

It is an arithmetic number, because the mean of its divisors is an integer number (67116).

2⁸²⁸³⁸⁸ is an apocalyptic number.

828388 is the 487-th centered heptagonal number.

It is an amenable number.

828388 is a deficient number, since it is larger than the sum of its proper divisors (782396).

828388 is a wasteful number, since it uses less digits than its factorization.

828388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 361 counting only the distinct ones).

The product of its digits is 24576, while the sum is 37.

The square root of 828388 is about 910.1582280021. The cubic root of 828388 is about 93.9170839671.

The spelling of 828388 in words is "eight hundred twenty-eight thousand, three hundred eighty-eight".