451944 has 24 divisors (see below), whose sum is σ = 1224210. Its totient is φ = 150624.

The previous prime is 451939. The next prime is 451961. The reversal of 451944 is 449154.

It can be written as a sum of positive squares in only one way, i.e., 260100 + 191844 = 510^2 + 438^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3067 + ... + 3210.

2⁴⁵¹⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

451944 is an abundant number, since it is smaller than the sum of its proper divisors (772266).

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

451944 is a wasteful number, since it uses less digits than its factorization.

451944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6289 (or 6282 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 451944 is about 672.2678037806. The cubic root of 451944 is about 76.7411332760.

The spelling of 451944 in words is "four hundred fifty-one thousand, nine hundred forty-four".