539023740 has 24 divisors (see below), whose sum is σ = 1509266640. Its totient is φ = 143739648.

The previous prime is 539023703. The next prime is 539023747. The reversal of 539023740 is 47320935.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (539023747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4491805 + ... + 4491924.

It is an arithmetic number, because the mean of its divisors is an integer number (62886110).

Almost surely, 2^539023740 is an apocalyptic number.

It is an amenable number.

539023740 is an abundant number, since it is smaller than the sum of its proper divisors (970242900).

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

539023740 is a wasteful number, since it uses less digits than its factorization.

539023740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8983741 (or 8983739 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 539023740 is about 23216.8848039525. The cubic root of 539023740 is about 813.8342524038.

The spelling of 539023740 in words is "five hundred thirty-nine million, twenty-three thousand, seven hundred forty".