450478 has 16 divisors (see below), whose sum is σ = 806400. Its totient is φ = 184536.

The previous prime is 450473. The next prime is 450479. The reversal of 450478 is 874054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450473) by changing a digit.

450478 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378 + ... + 1021.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

2⁴⁵⁰⁴⁷⁸ is an apocalyptic number.

450478 is a deficient number, since it is larger than the sum of its proper divisors (355922).

450478 is a wasteful number, since it uses less digits than its factorization.

450478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 450478 is about 671.1765788524. The cubic root of 450478 is about 76.6580666682.

The spelling of 450478 in words is "four hundred fifty thousand, four hundred seventy-eight".