1725828 has 72 divisors (see below), whose sum is σ = 4673088. Its totient is φ = 494208.

The previous prime is 1725821. The next prime is 1725833. The reversal of 1725828 is 8285271.

It is not an unprimeable number, because it can be changed into a prime (1725821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46626 + ... + 46662.

It is an arithmetic number, because the mean of its divisors is an integer number (64904).

2^1725828 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 1725828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2336544).

1725828 is an abundant number, since it is smaller than the sum of its proper divisors (2947260).

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

1725828 is a wasteful number, since it uses less digits than its factorization.

1725828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 78 counting only the distinct ones).

The product of its digits is 8960, while the sum is 33.

The square root of 1725828 is about 1313.7077300526. The cubic root of 1725828 is about 119.9497011420.

The spelling of 1725828 in words is "one million, seven hundred twenty-five thousand, eight hundred twenty-eight".