453668 has 6 divisors (see below), whose sum is σ = 793926. Its totient is φ = 226832.

The previous prime is 453667. The next prime is 453671. The reversal of 453668 is 866354.

It can be written as a sum of positive squares in only one way, i.e., 322624 + 131044 = 568^2 + 362^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56705 + ... + 56712.

It is an arithmetic number, because the mean of its divisors is an integer number (132321).

2⁴⁵³⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

453668 is a deficient number, since it is larger than the sum of its proper divisors (340258).

453668 is a wasteful number, since it uses less digits than its factorization.

453668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113421 (or 113419 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 453668 is about 673.5488104065. The cubic root of 453668 is about 76.8385891864.

Subtracting 453668 from its reverse (866354), we obtain a triangular number (412686 = T₉₀₈).

The spelling of 453668 in words is "four hundred fifty-three thousand, six hundred sixty-eight".