493426 has 4 divisors (see below), whose sum is σ = 740142. Its totient is φ = 246712.

The previous prime is 493403. The next prime is 493433. The reversal of 493426 is 624394.

493426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624394 = 2 ⋅312197.

It can be written as a sum of positive squares in only one way, i.e., 491401 + 2025 = 701^2 + 45^2 .

It is a junction number, because it is equal to n+sod(n) for n = 493394 and 493403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123355 + ... + 123358.

2⁴⁹³⁴²⁶ is an apocalyptic number.

493426 is a deficient number, since it is larger than the sum of its proper divisors (246716).

493426 is a wasteful number, since it uses less digits than its factorization.

493426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246715.

The product of its digits is 5184, while the sum is 28.

The square root of 493426 is about 702.4428802401. The cubic root of 493426 is about 79.0206643587.

It can be divided in two parts, 493 and 426, that added together give a palindrome (919).

The spelling of 493426 in words is "four hundred ninety-three thousand, four hundred twenty-six".