913403 has 4 divisors (see below), whose sum is σ = 915408. Its totient is φ = 911400.

The previous prime is 913397. The next prime is 913417. The reversal of 913403 is 304319.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304319 = 347 ⋅877.

It is a cyclic number.

It is not a de Polignac number, because 913403 - 2¹⁴ = 897019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (913433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50 + ... + 1352.

It is an arithmetic number, because the mean of its divisors is an integer number (228852).

2⁹¹³⁴⁰³ is an apocalyptic number.

913403 is a deficient number, since it is larger than the sum of its proper divisors (2005).

913403 is a wasteful number, since it uses less digits than its factorization.

913403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 913403 is about 955.7211936543. The cubic root of 913403 is about 97.0258548715.

The spelling of 913403 in words is "nine hundred thirteen thousand, four hundred three".