828271644 has 24 divisors (see below), whose sum is σ = 1933534848. Its totient is φ = 275961840.

The previous prime is 828271601. The next prime is 828271649. The reversal of 828271644 is 446172828.

828271644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 828271596 and 828271605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828271649) 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, 12799 + ... + 42665.

It is an arithmetic number, because the mean of its divisors is an integer number (80563952).

Almost surely, 2^828271644 is an apocalyptic number.

It is an amenable number.

828271644 is an abundant number, since it is smaller than the sum of its proper divisors (1105263204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

828271644 is a wasteful number, since it uses less digits than its factorization.

828271644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32185 (or 32183 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The square root of 828271644 is about 28779.7088935938. The cubic root of 828271644 is about 939.1268653988.

The spelling of 828271644 in words is "eight hundred twenty-eight million, two hundred seventy-one thousand, six hundred forty-four".