493403 has 2 divisors, whose sum is σ = 493404. Its totient is φ = 493402.

The previous prime is 493399. The next prime is 493433. The reversal of 493403 is 304394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 493403 - 2² = 493399 is a prime.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (493433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246701 + 246702.

It is an arithmetic number, because the mean of its divisors is an integer number (246702).

2⁴⁹³⁴⁰³ is an apocalyptic number.

493403 is a deficient number, since it is larger than the sum of its proper divisors (1).

493403 is an equidigital number, since it uses as much as digits as its factorization.

493403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 493403 is about 702.4265086114. The cubic root of 493403 is about 79.0194365464.

Adding to 493403 its reverse (304394), we get a palindrome (797797).

The spelling of 493403 in words is "four hundred ninety-three thousand, four hundred three".