1682305 has 8 divisors (see below), whose sum is σ = 2044800. Its totient is φ = 1328496.

The previous prime is 1682293. The next prime is 1682311. The reversal of 1682305 is 5032861.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1682305 is a prime.

It is a super-2 number, since 2×1682305² = 5660300226050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 1 + 6⁸ + 8³ + 2¹¹ + 3 + 0 + 5³ .

1682305 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1682305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1735 + ... + 2524.

It is an arithmetic number, because the mean of its divisors is an integer number (255600).

2^1682305 is an apocalyptic number.

It is an amenable number.

1682305 is a deficient number, since it is larger than the sum of its proper divisors (362495).

1682305 is an equidigital number, since it uses as much as digits as its factorization.

1682305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4343.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1682305 is about 1297.0370079531. The cubic root of 1682305 is about 118.9327822257.

The spelling of 1682305 in words is "one million, six hundred eighty-two thousand, three hundred five".