538066494 has 96 divisors (see below), whose sum is σ = 1367720640. Its totient is φ = 149700096.

The previous prime is 538066447. The next prime is 538066511. The reversal of 538066494 is 494660835.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1315362 + ... + 1315770.

It is an arithmetic number, because the mean of its divisors is an integer number (14247090).

Almost surely, 2^538066494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538066494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683860320).

538066494 is an abundant number, since it is smaller than the sum of its proper divisors (829654146).

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

538066494 is a wasteful number, since it uses less digits than its factorization.

538066494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 538066494 is about 23196.2603451505. The cubic root of 538066494 is about 813.3522073392.

The spelling of 538066494 in words is "five hundred thirty-eight million, sixty-six thousand, four hundred ninety-four".