538035989 has 12 divisors (see below), whose sum is σ = 557114820. Its totient is φ = 519552000.

The previous prime is 538035983. The next prime is 538035997. The reversal of 538035989 is 989530835.

It can be written as a sum of positive squares in 6 ways, for example, as 4656964 + 533379025 = 2158^2 + 23095^2 .

It is not a de Polignac number, because 538035989 - 2⁴ = 538035973 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538035983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168197 + ... + 171365.

It is an arithmetic number, because the mean of its divisors is an integer number (46426235).

Almost surely, 2^538035989 is an apocalyptic number.

It is an amenable number.

538035989 is a deficient number, since it is larger than the sum of its proper divisors (19078831).

538035989 is a wasteful number, since it uses less digits than its factorization.

538035989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3352 (or 3311 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 50.

The square root of 538035989 is about 23195.6027944953. The cubic root of 538035989 is about 813.3368363901.

The spelling of 538035989 in words is "five hundred thirty-eight million, thirty-five thousand, nine hundred eighty-nine".