450039 has 8 divisors (see below), whose sum is σ = 609280. Its totient is φ = 295416.

The previous prime is 450029. The next prime is 450067. The reversal of 450039 is 930054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 450039 - 2⁸ = 449783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 449997 and 450024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919 + ... + 1320.

It is an arithmetic number, because the mean of its divisors is an integer number (76160).

2⁴⁵⁰⁰³⁹ is an apocalyptic number.

450039 is a deficient number, since it is larger than the sum of its proper divisors (159241).

450039 is a wasteful number, since it uses less digits than its factorization.

450039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 450039 is about 670.8494615038. The cubic root of 450039 is about 76.6331569582.

The spelling of 450039 in words is "four hundred fifty thousand, thirty-nine".