169004 has 24 divisors (see below), whose sum is σ = 338688. Its totient is φ = 73040.

The previous prime is 169003. The next prime is 169007. The reversal of 169004 is 400961.

It is not an unprimeable number, because it can be changed into a prime (169003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 929 + ... + 1095.

It is an arithmetic number, because the mean of its divisors is an integer number (14112).

2¹⁶⁹⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

169004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

169004 is a wasteful number, since it uses less digits than its factorization.

169004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 169004 is about 411.1009608357. The cubic root of 169004 is about 55.2881843286.

Adding to 169004 its reverse (400961), we get a palindrome (569965).

It can be divided in two parts, 16900 and 4, that multiplied together give a square (67600 = 260²).

The spelling of 169004 in words is "one hundred sixty-nine thousand, four".