453943 has 4 divisors (see below), whose sum is σ = 518800. Its totient is φ = 389088.

The previous prime is 453931. The next prime is 453949. The reversal of 453943 is 349354.

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

It is not a de Polignac number, because 453943 - 2¹⁷ = 322871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32418 + ... + 32431.

It is an arithmetic number, because the mean of its divisors is an integer number (129700).

2⁴⁵³⁹⁴³ is an apocalyptic number.

453943 is a deficient number, since it is larger than the sum of its proper divisors (64857).

453943 is an equidigital number, since it uses as much as digits as its factorization.

453943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64856.

The product of its digits is 6480, while the sum is 28.

The square root of 453943 is about 673.7529220716. The cubic root of 453943 is about 76.8541118034.

The spelling of 453943 in words is "four hundred fifty-three thousand, nine hundred forty-three".