169444 has 12 divisors (see below), whose sum is σ = 323568. Its totient is φ = 77000.

The previous prime is 169427. The next prime is 169457. The reversal of 169444 is 444961.

169444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×169444² = 57422538272, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1882 + ... + 1969.

It is an arithmetic number, because the mean of its divisors is an integer number (26964).

2¹⁶⁹⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

169444 is a deficient number, since it is larger than the sum of its proper divisors (154124).

169444 is a wasteful number, since it uses less digits than its factorization.

169444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866 (or 3864 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 169444 is about 411.6357613230. The cubic root of 169444 is about 55.3361234702.

It can be divided in two parts, 16944 and 4, that multiplied together give a palindrome (67776).

The spelling of 169444 in words is "one hundred sixty-nine thousand, four hundred forty-four".