539821030 has 24 divisors (see below), whose sum is σ = 1110889008. Its totient is φ = 185014848.

The previous prime is 539821021. The next prime is 539821033. The reversal of 539821030 is 30128935.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 539820983 and 539821001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539821033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193002 + ... + 195778.

It is an arithmetic number, because the mean of its divisors is an integer number (46287042).

Almost surely, 2^539821030 is an apocalyptic number.

539821030 is an abundant number, since it is smaller than the sum of its proper divisors (571067978).

539821030 is an frugal number, since it uses more digits than its factorization.

539821030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568 (or 2791 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 539821030 is about 23234.0489368513. The cubic root of 539821030 is about 814.2353122008.

Adding to 539821030 its reverse (30128935), we get a palindrome (569949965).

The spelling of 539821030 in words is "five hundred thirty-nine million, eight hundred twenty-one thousand, thirty".