450590 has 32 divisors (see below), whose sum is σ = 955584. Its totient is φ = 149760.

The previous prime is 450587. The next prime is 450599. The reversal of 450590 is 95054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2792 + ... + 2948.

It is an arithmetic number, because the mean of its divisors is an integer number (29862).

2⁴⁵⁰⁵⁹⁰ is an apocalyptic number.

450590 is an abundant number, since it is smaller than the sum of its proper divisors (504994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450590 is a wasteful number, since it uses less digits than its factorization.

450590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 450590 is about 671.2600092364. The cubic root of 450590 is about 76.6644191738.

It can be divided in two parts, 4505 and 90, that multiplied together give a triangular number (405450 = T₉₀₀).

The spelling of 450590 in words is "four hundred fifty thousand, five hundred ninety".