1726528 has 28 divisors (see below), whose sum is σ = 3497580. Its totient is φ = 845312.

The previous prime is 1726513. The next prime is 1726561. The reversal of 1726528 is 8256271.

It can be written as a sum of positive squares in 2 ways, for example, as 1327104 + 399424 = 1152^2 + 632^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1726528.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3138 + ... + 3646.

2^1726528 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 1726528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1748790).

1726528 is an abundant number, since it is smaller than the sum of its proper divisors (1771052).

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

1726528 is an equidigital number, since it uses as much as digits as its factorization.

1726528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 564 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 1726528 is about 1313.9741245550. The cubic root of 1726528 is about 119.9659162460.

The spelling of 1726528 in words is "one million, seven hundred twenty-six thousand, five hundred twenty-eight".