545938 has 8 divisors (see below), whose sum is σ = 867132. Its totient is φ = 256896.

The previous prime is 545933. The next prime is 545939. The reversal of 545938 is 839545.

It can be written as a sum of positive squares in 2 ways, for example, as 537289 + 8649 = 733^2 + 93^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 16057 = 545938 / (5 + 4 + 5 + 9 + 3 + 8).

It is not an unprimeable number, because it can be changed into a prime (545933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7995 + ... + 8062.

2⁵⁴⁵⁹³⁸ is an apocalyptic number.

545938 is a deficient number, since it is larger than the sum of its proper divisors (321194).

545938 is a wasteful number, since it uses less digits than its factorization.

545938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16076.

The product of its digits is 21600, while the sum is 34.

The square root of 545938 is about 738.8761736583. The cubic root of 545938 is about 81.7299264589.

The spelling of 545938 in words is "five hundred forty-five thousand, nine hundred thirty-eight".