821482936 has 24 divisors (see below), whose sum is σ = 1625620320. Its totient is φ = 389122128.

The previous prime is 821482933. The next prime is 821482979. The reversal of 821482936 is 639284128.

It is a junction number, because it is equal to n+sod(n) for n = 821482892 and 821482901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (821482931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139336 + ... + 145111.

It is an arithmetic number, because the mean of its divisors is an integer number (67734180).

Almost surely, 2^821482936 is an apocalyptic number.

It is an amenable number.

821482936 is a deficient number, since it is larger than the sum of its proper divisors (804137384).

821482936 is a wasteful number, since it uses less digits than its factorization.

821482936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284491 (or 284468 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 821482936 is about 28661.5236161653. The cubic root of 821482936 is about 936.5540556578.

The spelling of 821482936 in words is "eight hundred twenty-one million, four hundred eighty-two thousand, nine hundred thirty-six".