454644 has 36 divisors (see below), whose sum is σ = 1171716. Its totient is φ = 148608.

The previous prime is 454637. The next prime is 454673. The reversal of 454644 is 446454.

It can be written as a sum of positive squares in 2 ways, for example, as 345744 + 108900 = 588^2 + 330^2 .

It is a tau number, because it is divible by the number of its divisors (36).

Its product of digits (7680) is a multiple of the sum of its prime factors (256).

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2542 + ... + 2714.

2⁴⁵⁴⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585858).

454644 is an abundant number, since it is smaller than the sum of its proper divisors (717072).

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

454644 is a wasteful number, since it uses less digits than its factorization.

454644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 251 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 454644 is about 674.2729417676. The cubic root of 454644 is about 76.8936520278.

The spelling of 454644 in words is "four hundred fifty-four thousand, six hundred forty-four".