538509932 has 24 divisors (see below), whose sum is σ = 1026202800. Its totient is φ = 246286656.

The previous prime is 538509931. The next prime is 538509947. The reversal of 538509932 is 239905835.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (538509931) 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, 119963 + ... + 124370.

It is an arithmetic number, because the mean of its divisors is an integer number (42758450).

Almost surely, 2^538509932 is an apocalyptic number.

It is an amenable number.

538509932 is a deficient number, since it is larger than the sum of its proper divisors (487692868).

538509932 is a wasteful number, since it uses less digits than its factorization.

538509932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244385 (or 244383 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 538509932 is about 23205.8167708012. The cubic root of 538509932 is about 813.5755826067.

The spelling of 538509932 in words is "five hundred thirty-eight million, five hundred nine thousand, nine hundred thirty-two".