538039930 has 16 divisors (see below), whose sum is σ = 981739944. Its totient is φ = 212267520.

The previous prime is 538039921. The next prime is 538039969. The reversal of 538039930 is 39930835.

It can be written as a sum of positive squares in 4 ways, for example, as 333464121 + 204575809 = 18261^2 + 14303^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367791 + ... + 369250.

Almost surely, 2^538039930 is an apocalyptic number.

538039930 is a deficient number, since it is larger than the sum of its proper divisors (443700014).

538039930 is a wasteful number, since it uses less digits than its factorization.

538039930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737121.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 538039930 is about 23195.6877457859. The cubic root of 538039930 is about 813.3388222255.

The spelling of 538039930 in words is "five hundred thirty-eight million, thirty-nine thousand, nine hundred thirty".