523908264 has 64 divisors (see below), whose sum is σ = 1442787840. Its totient is φ = 157210560.

The previous prime is 523908263. The next prime is 523908289. The reversal of 523908264 is 462809325.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (523908263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17559 + ... + 36825.

It is an arithmetic number, because the mean of its divisors is an integer number (22543560).

Almost surely, 2^523908264 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 523908264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (721393920).

523908264 is an abundant number, since it is smaller than the sum of its proper divisors (918879576).

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

523908264 is a wasteful number, since it uses less digits than its factorization.

523908264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19390 (or 19386 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 523908264 is about 22889.0424439294. The cubic root of 523908264 is about 806.1547482449.

The spelling of 523908264 in words is "five hundred twenty-three million, nine hundred eight thousand, two hundred sixty-four".