823620328 has 8 divisors (see below), whose sum is σ = 1544288130. Its totient is φ = 411810160.

The previous prime is 823620319. The next prime is 823620331. The reversal of 823620328 is 823026328.

823620328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 629909604 + 193710724 = 25098^2 + 13918^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 823620293 and 823620302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51476263 + ... + 51476278.

Almost surely, 2^823620328 is an apocalyptic number.

It is an amenable number.

823620328 is a deficient number, since it is larger than the sum of its proper divisors (720667802).

823620328 is a wasteful number, since it uses less digits than its factorization.

823620328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102952547 (or 102952543 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 823620328 is about 28698.7861764222. The cubic root of 823620328 is about 937.3656162461.

The spelling of 823620328 in words is "eight hundred twenty-three million, six hundred twenty thousand, three hundred twenty-eight".