1681348 has 12 divisors (see below), whose sum is σ = 3097360. Its totient is φ = 796392.

The previous prime is 1681321. The next prime is 1681349. The reversal of 1681348 is 8431861.

It is not an unprimeable number, because it can be changed into a prime (1681349) 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 3 ways as a sum of consecutive naturals, for example, 10986 + ... + 11137.

2^1681348 is an apocalyptic number.

It is an amenable number.

1681348 is a deficient number, since it is larger than the sum of its proper divisors (1416012).

1681348 is a wasteful number, since it uses less digits than its factorization.

1681348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22146 (or 22144 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 1681348 is about 1296.6680377028. The cubic root of 1681348 is about 118.9102258201.

It can be divided in two parts, 16813 and 48, that added together give a palindrome (16861).

The spelling of 1681348 in words is "one million, six hundred eighty-one thousand, three hundred forty-eight".