454939 has 4 divisors (see below), whose sum is σ = 456840. Its totient is φ = 453040.

The previous prime is 454931. The next prime is 454943. The reversal of 454939 is 939454.

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

It is a cyclic number.

It is not a de Polignac number, because 454939 - 2³ = 454931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454931) by changing a digit.

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, 529 + ... + 1090.

It is an arithmetic number, because the mean of its divisors is an integer number (114210).

2⁴⁵⁴⁹³⁹ is an apocalyptic number.

454939 is a deficient number, since it is larger than the sum of its proper divisors (1901).

454939 is a wasteful number, since it uses less digits than its factorization.

454939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900.

The product of its digits is 19440, while the sum is 34.

The square root of 454939 is about 674.4916604377. The cubic root of 454939 is about 76.9102794864.

The spelling of 454939 in words is "four hundred fifty-four thousand, nine hundred thirty-nine".