1682985 has 8 divisors (see below), whose sum is σ = 2692800. Its totient is φ = 897584.

The previous prime is 1682951. The next prime is 1682987. The reversal of 1682985 is 5892861.

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

It is a cyclic number.

It is not a de Polignac number, because 1682985 - 2¹² = 1678889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1682987) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 56085 + ... + 56114.

It is an arithmetic number, because the mean of its divisors is an integer number (336600).

2^1682985 is an apocalyptic number.

1682985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1682985 is a deficient number, since it is larger than the sum of its proper divisors (1009815).

1682985 is a wasteful number, since it uses less digits than its factorization.

1682985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112207.

The product of its digits is 34560, while the sum is 39.

The square root of 1682985 is about 1297.2991173974. The cubic root of 1682985 is about 118.9488045676.

The spelling of 1682985 in words is "one million, six hundred eighty-two thousand, nine hundred eighty-five".