454493 has 4 divisors (see below), whose sum is σ = 489468. Its totient is φ = 419520.

The previous prime is 454483. The next prime is 454501. The reversal of 454493 is 394454.

454493 is nontrivially palindromic in base 14 and base 15.

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

It can be written as a sum of positive squares in 2 ways, for example, as 120409 + 334084 = 347^2 + 578^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454493 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 (454453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17468 + ... + 17493.

It is an arithmetic number, because the mean of its divisors is an integer number (122367).

2⁴⁵⁴⁴⁹³ is an apocalyptic number.

It is an amenable number.

454493 is a deficient number, since it is larger than the sum of its proper divisors (34975).

454493 is a wasteful number, since it uses less digits than its factorization.

454493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34974.

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

The square root of 454493 is about 674.1609600088. The cubic root of 454493 is about 76.8851382403.

The spelling of 454493 in words is "four hundred fifty-four thousand, four hundred ninety-three".