244864 has 16 divisors (see below), whose sum is σ = 488070. Its totient is φ = 122368.

The previous prime is 244861. The next prime is 244873. The reversal of 244864 is 468442.

It can be written as a sum of positive squares in only one way, i.e., 166464 + 78400 = 408^2 + 280^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 2¹⁷ + 4³ + 8³ + 4⁵ + 6⁶ + 4⁸ .

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (244861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 829 + ... + 1084.

2²⁴⁴⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

244864 is a deficient number, since it is larger than the sum of its proper divisors (243206).

244864 is an equidigital number, since it uses as much as digits as its factorization.

244864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927 (or 1915 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 244864 is about 494.8373470141. The cubic root of 244864 is about 62.5616671346.

The spelling of 244864 in words is "two hundred forty-four thousand, eight hundred sixty-four".