170649048 has 64 divisors (see below), whose sum is σ = 442321920. Its totient is φ = 54806400.

The previous prime is 170649047. The next prime is 170649053. The reversal of 170649048 is 840946071.

It is a happy number.

170649048 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 170648997 and 170649015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170649041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257838 + ... + 258498.

It is an arithmetic number, because the mean of its divisors is an integer number (6911280).

Almost surely, 2^170649048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 170649048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221160960).

170649048 is an abundant number, since it is smaller than the sum of its proper divisors (271672872).

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

170649048 is a wasteful number, since it uses less digits than its factorization.

170649048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 170649048 is about 13063.2709533256. The cubic root of 170649048 is about 554.6699311656.

The spelling of 170649048 in words is "one hundred seventy million, six hundred forty-nine thousand, forty-eight".