538381832 has 8 divisors (see below), whose sum is σ = 1009465950. Its totient is φ = 269190912.

The previous prime is 538381807. The next prime is 538381841. The reversal of 538381832 is 238183835.

It can be written as a sum of positive squares in only one way, i.e., 521026276 + 17355556 = 22826^2 + 4166^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 538381832.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33648857 + ... + 33648872.

Almost surely, 2^538381832 is an apocalyptic number.

It is an amenable number.

538381832 is a deficient number, since it is larger than the sum of its proper divisors (471084118).

538381832 is a wasteful number, since it uses less digits than its factorization.

538381832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67297735 (or 67297731 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 538381832 is about 23203.0565227946. The cubic root of 538381832 is about 813.5110667449.

The spelling of 538381832 in words is "five hundred thirty-eight million, three hundred eighty-one thousand, eight hundred thirty-two".