523998706 has 64 divisors (see below), whose sum is σ = 1008184320. Its totient is φ = 198360000.

The previous prime is 523998691. The next prime is 523998707. The reversal of 523998706 is 607899325.

It is a self number, because there is not a number n which added to its sum of digits gives 523998706.

It is not an unprimeable number, because it can be changed into a prime (523998707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 917401 + ... + 917971.

It is an arithmetic number, because the mean of its divisors is an integer number (15752880).

Almost surely, 2^523998706 is an apocalyptic number.

523998706 is a deficient number, since it is larger than the sum of its proper divisors (484185614).

523998706 is a wasteful number, since it uses less digits than its factorization.

523998706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 523998706 is about 22891.0180201755. The cubic root of 523998706 is about 806.2011342617.

The spelling of 523998706 in words is "five hundred twenty-three million, nine hundred ninety-eight thousand, seven hundred six".