539730 has 32 divisors (see below), whose sum is σ = 1440000. Its totient is φ = 143856.

The previous prime is 539729. The next prime is 539743. The reversal of 539730 is 37935.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 539694 and 539703.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 730 + ... + 1269.

It is an arithmetic number, because the mean of its divisors is an integer number (45000).

2⁵³⁹⁷³⁰ is an apocalyptic number.

539730 is an abundant number, since it is smaller than the sum of its proper divisors (900270).

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

539730 is a wasteful number, since it uses less digits than its factorization.

539730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015 (or 2009 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 27.

The square root of 539730 is about 734.6631881345. The cubic root of 539730 is about 81.4189541471.

The spelling of 539730 in words is "five hundred thirty-nine thousand, seven hundred thirty".