453944 has 16 divisors (see below), whose sum is σ = 858600. Its totient is φ = 224992.

The previous prime is 453931. The next prime is 453949. The reversal of 453944 is 449354.

It is an Ulam 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.

453944 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 in 3 ways as a sum of consecutive naturals, for example, 1274 + ... + 1590.

2⁴⁵³⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

453944 is a deficient number, since it is larger than the sum of its proper divisors (404656).

453944 is a wasteful number, since it uses less digits than its factorization.

453944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 498 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 453944 is about 673.7536641830. The cubic root of 453944 is about 76.8541682379.

The spelling of 453944 in words is "four hundred fifty-three thousand, nine hundred forty-four".