169290342 has 144 divisors (see below), whose sum is σ = 436784400. Its totient is φ = 47174400.

The previous prime is 169290337. The next prime is 169290347. The reversal of 169290342 is 243092961.

169290342 is digitally balanced in base 3, 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 (169290337) and next prime (169290347).

It is a junction number, because it is equal to n+sod(n) for n = 169290297 and 169290306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169290347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1676092 + ... + 1676192.

It is an arithmetic number, because the mean of its divisors is an integer number (3033225).

Almost surely, 2^169290342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169290342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218392200).

169290342 is an abundant number, since it is smaller than the sum of its proper divisors (267494058).

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

169290342 is a wasteful number, since it uses less digits than its factorization.

169290342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 169290342 is about 13011.1622078890. The cubic root of 169290342 is about 553.1939147305.

The spelling of 169290342 in words is "one hundred sixty-nine million, two hundred ninety thousand, three hundred forty-two".