169429 has 4 divisors (see below), whose sum is σ = 182476. Its totient is φ = 156384.

The previous prime is 169427. The next prime is 169457. The reversal of 169429 is 924961.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 62500 + 106929 = 250^2 + 327^2 .

It is a cyclic number.

It is not a de Polignac number, because 169429 - 2¹ = 169427 is a prime.

It is a Duffinian number.

169429 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 169429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6504 + ... + 6529.

It is an arithmetic number, because the mean of its divisors is an integer number (45619).

2¹⁶⁹⁴²⁹ is an apocalyptic number.

It is an amenable number.

169429 is a deficient number, since it is larger than the sum of its proper divisors (13047).

169429 is a wasteful number, since it uses less digits than its factorization.

169429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13046.

The product of its digits is 3888, while the sum is 31.

The square root of 169429 is about 411.6175409285. The cubic root of 169429 is about 55.3344905485.

The spelling of 169429 in words is "one hundred sixty-nine thousand, four hundred twenty-nine".