538172 has 12 divisors (see below), whose sum is σ = 953736. Its totient is φ = 265680.

The previous prime is 538163. The next prime is 538199. The reversal of 538172 is 271835.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479 + ... + 1142.

It is an arithmetic number, because the mean of its divisors is an integer number (79478).

2⁵³⁸¹⁷² is an apocalyptic number.

It is an amenable number.

538172 is a deficient number, since it is larger than the sum of its proper divisors (415564).

538172 is a wasteful number, since it uses less digits than its factorization.

538172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708 (or 1706 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 538172 is about 733.6020719709. The cubic root of 538172 is about 81.3405365534.

The spelling of 538172 in words is "five hundred thirty-eight thousand, one hundred seventy-two".