539198738 has 16 divisors (see below), whose sum is σ = 873827136. Its totient is φ = 248057040.

The previous prime is 539198731. The next prime is 539198767. The reversal of 539198738 is 837891935.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 539198738.

It is not an unprimeable number, because it can be changed into a prime (539198731) 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, 25256 + ... + 41427.

It is an arithmetic number, because the mean of its divisors is an integer number (54614196).

Almost surely, 2^539198738 is an apocalyptic number.

539198738 is a deficient number, since it is larger than the sum of its proper divisors (334628398).

539198738 is a wasteful number, since it uses less digits than its factorization.

539198738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67009.

The product of its digits is 1632960, while the sum is 53.

The square root of 539198738 is about 23220.6532638511. The cubic root of 539198738 is about 813.9223152888.

The spelling of 539198738 in words is "five hundred thirty-nine million, one hundred ninety-eight thousand, seven hundred thirty-eight".