1730826 has 12 divisors (see below), whose sum is σ = 3750162. Its totient is φ = 576936.

The previous prime is 1730809. The next prime is 1730831. The reversal of 1730826 is 6280371.

It can be written as a sum of positive squares in only one way, i.e., 1010025 + 720801 = 1005^2 + 849^2 .

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 1730826.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48061 + ... + 48096.

2^1730826 is an apocalyptic number.

1730826 is an abundant number, since it is smaller than the sum of its proper divisors (2019336).

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

1730826 is a wasteful number, since it uses less digits than its factorization.

1730826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96165 (or 96162 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1730826 is about 1315.6086044109. The cubic root of 1730826 is about 120.0653810379.

It can be divided in two parts, 1730 and 826, that added together give a triangular number (2556 = T₇₁).

The spelling of 1730826 in words is "one million, seven hundred thirty thousand, eight hundred twenty-six".