450490 has 16 divisors (see below), whose sum is σ = 853920. Its totient is φ = 170640.

The previous prime is 450487. The next prime is 450493. The reversal of 450490 is 94054.

It is an interprime number because it is at equal distance from previous prime (450487) and next prime (450493).

It is not an unprimeable number, because it can be changed into a prime (450493) 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, 996 + ... + 1375.

It is an arithmetic number, because the mean of its divisors is an integer number (53370).

2⁴⁵⁰⁴⁹⁰ is an apocalyptic number.

450490 is a deficient number, since it is larger than the sum of its proper divisors (403430).

450490 is a wasteful number, since it uses less digits than its factorization.

450490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 450490 is about 671.1855183181. The cubic root of 450490 is about 76.6587473441.

The spelling of 450490 in words is "four hundred fifty thousand, four hundred ninety".