538659072 has 216 divisors, whose sum is σ = 1842183616. Its totient is φ = 153778176.

The previous prime is 538659071. The next prime is 538659073. The reversal of 538659072 is 270956835.

It is a happy number.

538659072 is a `hidden beast` number, since 53 + 8 + 6 + 590 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (538659071) and next prime (538659073).

It is a tau number, because it is divible by the number of its divisors (216).

It is not an unprimeable number, because it can be changed into a prime (538659071) 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, 434838 + ... + 436074.

Almost surely, 2^538659072 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 538659072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (921091808).

538659072 is an abundant number, since it is smaller than the sum of its proper divisors (1303524544).

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

538659072 is an equidigital number, since it uses as much as digits as its factorization.

538659072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 538659072 is about 23209.0299668039. The cubic root of 538659072 is about 813.6506820961.

The spelling of 538659072 in words is "five hundred thirty-eight million, six hundred fifty-nine thousand, seventy-two".