527138392 has 64 divisors (see below), whose sum is σ = 1099837440. Its totient is φ = 234864000.

The previous prime is 527138387. The next prime is 527138401. The reversal of 527138392 is 293831725.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1128543 + ... + 1129009.

It is an arithmetic number, because the mean of its divisors is an integer number (17184960).

Almost surely, 2^527138392 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 527138392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549918720).

527138392 is an abundant number, since it is smaller than the sum of its proper divisors (572699048).

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

527138392 is a wasteful number, since it uses less digits than its factorization.

527138392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712 (or 708 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 527138392 is about 22959.4945937405. The cubic root of 527138392 is about 807.8081227550.

The spelling of 527138392 in words is "five hundred twenty-seven million, one hundred thirty-eight thousand, three hundred ninety-two".