539426 has 4 divisors (see below), whose sum is σ = 809142. Its totient is φ = 269712.

The previous prime is 539401. The next prime is 539447. The reversal of 539426 is 624935.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624935 = 5 ⋅124987.

It can be written as a sum of positive squares in only one way, i.e., 358801 + 180625 = 599^2 + 425^2 .

It is a Curzon number.

It is an unprimeable number.

539426 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134855 + ... + 134858.

2⁵³⁹⁴²⁶ is an apocalyptic number.

539426 is a deficient number, since it is larger than the sum of its proper divisors (269716).

539426 is a wasteful number, since it uses less digits than its factorization.

539426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269715.

The product of its digits is 6480, while the sum is 29.

The square root of 539426 is about 734.4562614615. The cubic root of 539426 is about 81.4036650146.

The spelling of 539426 in words is "five hundred thirty-nine thousand, four hundred twenty-six".