538706916 has 96 divisors (see below), whose sum is σ = 1528450560. Its totient is φ = 162727200.

The previous prime is 538706911. The next prime is 538706957. The reversal of 538706916 is 619607835.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (538706911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 554311 + ... + 555281.

It is an arithmetic number, because the mean of its divisors is an integer number (15921360).

Almost surely, 2^538706916 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 538706916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764225280).

538706916 is an abundant number, since it is smaller than the sum of its proper divisors (989743644).

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

538706916 is a wasteful number, since it uses less digits than its factorization.

538706916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 538706916 is about 23210.0606634278. The cubic root of 538706916 is about 813.6747710191.

The spelling of 538706916 in words is "five hundred thirty-eight million, seven hundred six thousand, nine hundred sixteen".