538390 has 16 divisors (see below), whose sum is σ = 1026432. Its totient is φ = 202624.

The previous prime is 538367. The next prime is 538397. The reversal of 538390 is 93835.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538397) 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, 1414 + ... + 1753.

It is an arithmetic number, because the mean of its divisors is an integer number (64152).

2⁵³⁸³⁹⁰ is an apocalyptic number.

538390 is a deficient number, since it is larger than the sum of its proper divisors (488042).

538390 is a wasteful number, since it uses less digits than its factorization.

538390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 538390 is about 733.7506388413. The cubic root of 538390 is about 81.3515180755.

The spelling of 538390 in words is "five hundred thirty-eight thousand, three hundred ninety".