522924864 has 336 divisors, whose sum is σ = 1823533056. Its totient is φ = 130636800.

The previous prime is 522924863. The next prime is 522924881. The reversal of 522924864 is 468429225.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522924863) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3208047 + ... + 3208209.

Almost surely, 2^522924864 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 522924864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (911766528).

522924864 is an abundant number, since it is smaller than the sum of its proper divisors (1300608192).

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

522924864 is a wasteful number, since it uses less digits than its factorization.

522924864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 217 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 522924864 is about 22867.5504591113. The cubic root of 522924864 is about 805.6500357628.

The spelling of 522924864 in words is "five hundred twenty-two million, nine hundred twenty-four thousand, eight hundred sixty-four".