539097636 has 96 divisors (see below), whose sum is σ = 1576931328. Its totient is φ = 139253760.

The previous prime is 539097631. The next prime is 539097641. The reversal of 539097636 is 636790935.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (539097631) and next prime (539097641).

It is a super-2 number, since 2×539097636² = 581252522281576992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (539097631) 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 31 ways as a sum of consecutive naturals, for example, 176821 + ... + 179843.

It is an arithmetic number, because the mean of its divisors is an integer number (16426368).

Almost surely, 2^539097636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 539097636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (788465664).

539097636 is an abundant number, since it is smaller than the sum of its proper divisors (1037833692).

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

539097636 is a wasteful number, since it uses less digits than its factorization.

539097636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241 (or 3239 counting only the distinct ones).

The product of its (nonzero) digits is 918540, while the sum is 48.

The square root of 539097636 is about 23218.4761773894. The cubic root of 539097636 is about 813.8714408388.

The spelling of 539097636 in words is "five hundred thirty-nine million, ninety-seven thousand, six hundred thirty-six".