450979 has 4 divisors (see below), whose sum is σ = 466560. Its totient is φ = 435400.

The previous prime is 450971. The next prime is 450991. The reversal of 450979 is 979054.

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 450979 - 2³ = 450971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450971) 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, 7747 + ... + 7804.

It is an arithmetic number, because the mean of its divisors is an integer number (116640).

2⁴⁵⁰⁹⁷⁹ is an apocalyptic number.

450979 is a deficient number, since it is larger than the sum of its proper divisors (15581).

450979 is a wasteful number, since it uses less digits than its factorization.

450979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15580.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 450979 is about 671.5497003201. The cubic root of 450979 is about 76.6864746130.

The spelling of 450979 in words is "four hundred fifty thousand, nine hundred seventy-nine".