539478492 has 144 divisors (see below), whose sum is σ = 1532111616. Its totient is φ = 144633600.

The previous prime is 539478491. The next prime is 539478497. The reversal of 539478492 is 294874935.

Its product of digits (2177280) is a multiple of the sum of its prime factors (280).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539478491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3309603 + ... + 3309765.

It is an arithmetic number, because the mean of its divisors is an integer number (10639664).

Almost surely, 2^539478492 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 539478492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (766055808).

539478492 is an abundant number, since it is smaller than the sum of its proper divisors (992633124).

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

539478492 is a wasteful number, since it uses less digits than its factorization.

539478492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 247 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 539478492 is about 23226.6763011844. The cubic root of 539478492 is about 814.0630541541.

The spelling of 539478492 in words is "five hundred thirty-nine million, four hundred seventy-eight thousand, four hundred ninety-two".