478244 has 24 divisors (see below), whose sum is σ = 956088. Its totient is φ = 207360.

The previous prime is 478243. The next prime is 478253. The reversal of 478244 is 442874.

478244 = T₄₈₇ + T₄₈₈ + ... + T₄₉₀.

It can be written as a sum of positive squares in 4 ways, for example, as 40000 + 438244 = 200^2 + 662^2 .

It is not an unprimeable number, because it can be changed into a prime (478241) 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, 614 + ... + 1154.

It is an arithmetic number, because the mean of its divisors is an integer number (39837).

2⁴⁷⁸²⁴⁴ is an apocalyptic number.

It is an amenable number.

478244 is a deficient number, since it is larger than the sum of its proper divisors (477844).

478244 is a wasteful number, since it uses less digits than its factorization.

478244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 573 counting only the distinct ones).

The product of its digits is 7168, while the sum is 29.

The square root of 478244 is about 691.5518780251. The cubic root of 478244 is about 78.2017568826.

The spelling of 478244 in words is "four hundred seventy-eight thousand, two hundred forty-four".