828638954 has 32 divisors (see below), whose sum is σ = 1462285440. Its totient is φ = 347198400.

The previous prime is 828638911. The next prime is 828638957. The reversal of 828638954 is 459836828.

It is a junction number, because it is equal to n+sod(n) for n = 828638896 and 828638905.

It is not an unprimeable number, because it can be changed into a prime (828638957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267587 + ... + 270665.

It is an arithmetic number, because the mean of its divisors is an integer number (45696420).

Almost surely, 2^828638954 is an apocalyptic number.

828638954 is a deficient number, since it is larger than the sum of its proper divisors (633646486).

828638954 is a wasteful number, since it uses less digits than its factorization.

828638954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046.

The product of its digits is 3317760, while the sum is 53.

The square root of 828638954 is about 28786.0895920234. The cubic root of 828638954 is about 939.2656683759.

The spelling of 828638954 in words is "eight hundred twenty-eight million, six hundred thirty-eight thousand, nine hundred fifty-four".