1681336 has 16 divisors (see below), whose sum is σ = 3196800. Its totient is φ = 828864.

The previous prime is 1681321. The next prime is 1681349. The reversal of 1681336 is 6331861.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856 + ... + 2023.

It is an arithmetic number, because the mean of its divisors is an integer number (199800).

2^1681336 is an apocalyptic number.

It is an amenable number.

1681336 is a deficient number, since it is larger than the sum of its proper divisors (1515464).

1681336 is a wasteful number, since it uses less digits than its factorization.

1681336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958 (or 2954 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 1681336 is about 1296.6634104501. The cubic root of 1681336 is about 118.9099429269.

The spelling of 1681336 in words is "one million, six hundred eighty-one thousand, three hundred thirty-six".