523910028 has 48 divisors (see below), whose sum is σ = 1299594240. Its totient is φ = 163800000.

The previous prime is 523910017. The next prime is 523910033. The reversal of 523910028 is 820019325.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 523909977 and 523910004.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11653 + ... + 34403.

It is an arithmetic number, because the mean of its divisors is an integer number (27074880).

Almost surely, 2^523910028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523910028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649797120).

523910028 is an abundant number, since it is smaller than the sum of its proper divisors (775684212).

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

523910028 is a wasteful number, since it uses less digits than its factorization.

523910028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22878 (or 22876 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 523910028 is about 22889.0809776190. The cubic root of 523910028 is about 806.1556530186.

The spelling of 523910028 in words is "five hundred twenty-three million, nine hundred ten thousand, twenty-eight".