538435 has 4 divisors (see below), whose sum is σ = 646128. Its totient is φ = 430744.

The previous prime is 538423. The next prime is 538457. The reversal of 538435 is 534835.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538435 is a prime.

It is a Duffinian 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, 53839 + ... + 53848.

It is an arithmetic number, because the mean of its divisors is an integer number (161532).

2⁵³⁸⁴³⁵ is an apocalyptic number.

538435 is a deficient number, since it is larger than the sum of its proper divisors (107693).

538435 is a wasteful number, since it uses less digits than its factorization.

538435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107692.

The product of its digits is 7200, while the sum is 28.

The square root of 538435 is about 733.7813025691. The cubic root of 538435 is about 81.3537845343.

Subtracting from 538435 its reverse (534835), we obtain a square (3600 = 60²).

The spelling of 538435 in words is "five hundred thirty-eight thousand, four hundred thirty-five".