538907 has 4 divisors (see below), whose sum is σ = 557520. Its totient is φ = 520296.

The previous prime is 538877. The next prime is 538921. The reversal of 538907 is 709835.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 538907 - 2⁸ = 538651 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 538907.

It is not an unprimeable number, because it can be changed into a prime (538927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9263 + ... + 9320.

It is an arithmetic number, because the mean of its divisors is an integer number (139380).

2⁵³⁸⁹⁰⁷ is an apocalyptic number.

538907 is a deficient number, since it is larger than the sum of its proper divisors (18613).

538907 is a wasteful number, since it uses less digits than its factorization.

538907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18612.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 538907 is about 734.1028538291. The cubic root of 538907 is about 81.3775495641.

The spelling of 538907 in words is "five hundred thirty-eight thousand, nine hundred seven".