539865738 has 48 divisors (see below), whose sum is σ = 1211447016. Its totient is φ = 173646720.

The previous prime is 539865727. The next prime is 539865757. The reversal of 539865738 is 837568935.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 455096889 + 84768849 = 21333^2 + 9207^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53556 + ... + 62832.

Almost surely, 2^539865738 is an apocalyptic number.

539865738 is an abundant number, since it is smaller than the sum of its proper divisors (671581278).

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

539865738 is a wasteful number, since it uses less digits than its factorization.

539865738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9399 (or 9396 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 539865738 is about 23235.0110393776. The cubic root of 539865738 is about 814.2577899143.

The spelling of 539865738 in words is "five hundred thirty-nine million, eight hundred sixty-five thousand, seven hundred thirty-eight".