538196028 has 24 divisors (see below), whose sum is σ = 1265682432. Its totient is φ = 177985584.

The previous prime is 538196027. The next prime is 538196039. The reversal of 538196028 is 820691835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538196023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175050 + ... + 178097.

It is an arithmetic number, because the mean of its divisors is an integer number (52736768).

Almost surely, 2^538196028 is an apocalyptic number.

It is an amenable number.

538196028 is an abundant number, since it is smaller than the sum of its proper divisors (727486404).

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

538196028 is a wasteful number, since it uses less digits than its factorization.

538196028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353281 (or 353279 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 538196028 is about 23199.0523082302. The cubic root of 538196028 is about 813.4174708414.

The spelling of 538196028 in words is "five hundred thirty-eight million, one hundred ninety-six thousand, twenty-eight".