539939400 has 768 divisors, whose sum is σ = 2399846400. Its totient is φ = 96768000.

The previous prime is 539939377. The next prime is 539939417. The reversal of 539939400 is 4939935.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 17417385 + ... + 17417415.

It is an arithmetic number, because the mean of its divisors is an integer number (3124800).

Almost surely, 2^539939400 is an apocalyptic number.

539939400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 539939400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1199923200).

539939400 is an abundant number, since it is smaller than the sum of its proper divisors (1859907000).

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

539939400 is a wasteful number, since it uses less digits than its factorization.

539939400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 539939400 is about 23236.5961362675. The cubic root of 539939400 is about 814.2948220412.

It can be divided in two parts, 539 and 939400, that added together give a palindrome (939939).

The spelling of 539939400 in words is "five hundred thirty-nine million, nine hundred thirty-nine thousand, four hundred".