169442 has 32 divisors (see below), whose sum is σ = 336000. Its totient is φ = 63504.

The previous prime is 169427. The next prime is 169457. The reversal of 169442 is 244961.

169442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (169427) and next prime (169457).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

169442 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8909 + ... + 8927.

It is an arithmetic number, because the mean of its divisors is an integer number (10500).

2¹⁶⁹⁴⁴² is an apocalyptic number.

169442 is a deficient number, since it is larger than the sum of its proper divisors (166558).

169442 is a wasteful number, since it uses less digits than its factorization.

169442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55 (or 41 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 169442 is about 411.6333319837. The cubic root of 169442 is about 55.3359057529.

The spelling of 169442 in words is "one hundred sixty-nine thousand, four hundred forty-two".