538919 has 8 divisors (see below), whose sum is σ = 561792. Its totient is φ = 516600.

The previous prime is 538877. The next prime is 538921. The reversal of 538919 is 919835.

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

It is a cyclic number.

It is not a de Polignac number, because 538919 - 2¹⁶ = 473383 is a prime.

It is a super-2 number, since 2×538919² = 580867377122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538939) 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, 3494 + ... + 3644.

It is an arithmetic number, because the mean of its divisors is an integer number (70224).

2⁵³⁸⁹¹⁹ is an apocalyptic number.

538919 is a deficient number, since it is larger than the sum of its proper divisors (22873).

538919 is a wasteful number, since it uses less digits than its factorization.

538919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277.

The product of its digits is 9720, while the sum is 35.

The square root of 538919 is about 734.1110270252. Note that the first 3 decimals coincide. The cubic root of 538919 is about 81.3781535789.

The spelling of 538919 in words is "five hundred thirty-eight thousand, nine hundred nineteen".