1682381 has 8 divisors (see below), whose sum is σ = 1769280. Its totient is φ = 1596672.

The previous prime is 1682363. The next prime is 1682383. The reversal of 1682381 is 1832861.

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 1682381 - 2¹⁴ = 1665997 is a prime.

It is a super-2 number, since 2×1682381² = 5660811658322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4250 + ... + 4628.

It is an arithmetic number, because the mean of its divisors is an integer number (221160).

2^1682381 is an apocalyptic number.

It is an amenable number.

1682381 is a deficient number, since it is larger than the sum of its proper divisors (86899).

1682381 is a wasteful number, since it uses less digits than its factorization.

1682381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595.

The product of its digits is 2304, while the sum is 29.

The square root of 1682381 is about 1297.0663051672. The cubic root of 1682381 is about 118.9345731724.

The spelling of 1682381 in words is "one million, six hundred eighty-two thousand, three hundred eighty-one".