1726828 has 6 divisors (see below), whose sum is σ = 3021956. Its totient is φ = 863412.

The previous prime is 1726811. The next prime is 1726841. The reversal of 1726828 is 8286271.

It is a junction number, because it is equal to n+sod(n) for n = 1726793 and 1726802.

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 as a sum of consecutive naturals, namely, 215850 + ... + 215857.

2^1726828 is an apocalyptic number.

It is an amenable number.

1726828 is a deficient number, since it is larger than the sum of its proper divisors (1295128).

1726828 is a wasteful number, since it uses less digits than its factorization.

1726828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431711 (or 431709 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 1726828 is about 1314.0882770956. The cubic root of 1726828 is about 119.9728642346.

The spelling of 1726828 in words is "one million, seven hundred twenty-six thousand, eight hundred twenty-eight".