169436 has 6 divisors (see below), whose sum is σ = 296520. Its totient is φ = 84716.

The previous prime is 169427. The next prime is 169457. The reversal of 169436 is 634961.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 169399 and 169408.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 169436.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21176 + ... + 21183.

It is an arithmetic number, because the mean of its divisors is an integer number (49420).

2¹⁶⁹⁴³⁶ is an apocalyptic number.

It is an amenable number.

169436 is a deficient number, since it is larger than the sum of its proper divisors (127084).

169436 is a wasteful number, since it uses less digits than its factorization.

169436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42363 (or 42361 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 169436 is about 411.6260438796. The cubic root of 169436 is about 55.3352525906.

The spelling of 169436 in words is "one hundred sixty-nine thousand, four hundred thirty-six".