523985926 has 8 divisors (see below), whose sum is σ = 793610064. Its totient is φ = 259449240.

The previous prime is 523985921. The next prime is 523985993. The reversal of 523985926 is 629589325.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×523985926² = 549122501292154952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 523985926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523985921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271605 + ... + 1272016.

It is an arithmetic number, because the mean of its divisors is an integer number (99201258).

Almost surely, 2^523985926 is an apocalyptic number.

523985926 is a deficient number, since it is larger than the sum of its proper divisors (269624138).

523985926 is a wasteful number, since it uses less digits than its factorization.

523985926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543726.

The product of its digits is 1166400, while the sum is 49.

The square root of 523985926 is about 22890.7388696826. The cubic root of 523985926 is about 806.1945799616.

The spelling of 523985926 in words is "five hundred twenty-three million, nine hundred eighty-five thousand, nine hundred twenty-six".