450804 has 12 divisors (see below), whose sum is σ = 1051904. Its totient is φ = 150264.

The previous prime is 450803. The next prime is 450809. The reversal of 450804 is 408054.

450804 = T₃₁₂ + T₃₁₃ + ... + T₃₂₀.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450803) 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, 18772 + ... + 18795.

2⁴⁵⁰⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

450804 is an abundant number, since it is smaller than the sum of its proper divisors (601100).

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

450804 is a wasteful number, since it uses less digits than its factorization.

450804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37574 (or 37572 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 450804 is about 671.4193920345. The cubic root of 450804 is about 76.6765540703.

Adding to 450804 its reverse (408054), we get a palindrome (858858).

The spelling of 450804 in words is "four hundred fifty thousand, eight hundred four".