169400484 has 180 divisors, whose sum is σ = 506929500. Its totient is φ = 49230720.

The previous prime is 169400471. The next prime is 169400503. The reversal of 169400484 is 484004961.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50808384 + 118592100 = 7128^2 + 10890^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1136842 + ... + 1136990.

It is an arithmetic number, because the mean of its divisors is an integer number (2816275).

Almost surely, 2^169400484 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 169400484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253464750).

169400484 is an abundant number, since it is smaller than the sum of its proper divisors (337529016).

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

169400484 is a wasteful number, since it uses less digits than its factorization.

169400484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 194 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 169400484 is about 13015.3941161995. The cubic root of 169400484 is about 553.3138598976.

The spelling of 169400484 in words is "one hundred sixty-nine million, four hundred thousand, four hundred eighty-four".