524089638 has 48 divisors (see below), whose sum is σ = 1196073216. Its totient is φ = 165525360.

The previous prime is 524089637. The next prime is 524089667. The reversal of 524089638 is 836980425.

524089638 is a `hidden beast` number, since 5 + 2 + 4 + 0 + 8 + 9 + 638 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 524089593 and 524089602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (524089637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38383 + ... + 50213.

It is an arithmetic number, because the mean of its divisors is an integer number (24918192).

Almost surely, 2^524089638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 524089638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (598036608).

524089638 is an abundant number, since it is smaller than the sum of its proper divisors (671983578).

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

524089638 is a wasteful number, since it uses less digits than its factorization.

524089638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11969 (or 11966 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 524089638 is about 22893.0041278990. The cubic root of 524089638 is about 806.2477662098.

The spelling of 524089638 in words is "five hundred twenty-four million, eighty-nine thousand, six hundred thirty-eight".