244642 has 4 divisors (see below), whose sum is σ = 366966. Its totient is φ = 122320.

The previous prime is 244639. The next prime is 244667. The reversal of 244642 is 246442.

244642 is nontrivially palindromic in base 13.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 221841 + 22801 = 471^2 + 151^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61159 + ... + 61162.

2²⁴⁴⁶⁴² is an apocalyptic number.

244642 is a deficient number, since it is larger than the sum of its proper divisors (122324).

244642 is a wasteful number, since it uses less digits than its factorization.

244642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122323.

The product of its digits is 1536, while the sum is 22.

The square root of 244642 is about 494.6129800157. The cubic root of 244642 is about 62.5427547458.

It can be divided in two parts, 2 and 44642, that added together give a palindrome (44644).

The spelling of 244642 in words is "two hundred forty-four thousand, six hundred forty-two".