169289244 has 24 divisors (see below), whose sum is σ = 438898320. Its totient is φ = 56429712.

The previous prime is 169289227. The next prime is 169289257. The reversal of 169289244 is 442982961.

It is a self number, because there is not a number n which added to its sum of digits gives 169289244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783639 + ... + 783854.

It is an arithmetic number, because the mean of its divisors is an integer number (18287430).

Almost surely, 2^169289244 is an apocalyptic number.

It is an amenable number.

169289244 is an abundant number, since it is smaller than the sum of its proper divisors (269609076).

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

169289244 is a wasteful number, since it uses less digits than its factorization.

169289244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567506 (or 1567498 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 169289244 is about 13011.1200132809. The cubic root of 169289244 is about 553.1927187414.

The spelling of 169289244 in words is "one hundred sixty-nine million, two hundred eighty-nine thousand, two hundred forty-four".