169240 has 16 divisors (see below), whose sum is σ = 380880. Its totient is φ = 67680.

The previous prime is 169219. The next prime is 169241. The reversal of 169240 is 42961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169241) 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 3 ways as a sum of consecutive naturals, for example, 2076 + ... + 2155.

It is an arithmetic number, because the mean of its divisors is an integer number (23805).

2¹⁶⁹²⁴⁰ is an apocalyptic number.

169240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

169240 is an abundant number, since it is smaller than the sum of its proper divisors (211640).

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

169240 is a wasteful number, since it uses less digits than its factorization.

169240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242 (or 4238 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 169240 is about 411.3878948146. The cubic root of 169240 is about 55.3139074727.

The spelling of 169240 in words is "one hundred sixty-nine thousand, two hundred forty".