1683913 has 16 divisors (see below), whose sum is σ = 2211840. Its totient is φ = 1242000.

The previous prime is 1683887. The next prime is 1683949. The reversal of 1683913 is 3193861.

It is a cyclic number.

It is not a de Polignac number, because 1683913 - 2¹³ = 1675721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1683013) 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 15 ways as a sum of consecutive naturals, for example, 888 + ... + 2038.

It is an arithmetic number, because the mean of its divisors is an integer number (138240).

2^1683913 is an apocalyptic number.

It is an amenable number.

1683913 is a deficient number, since it is larger than the sum of its proper divisors (527927).

1683913 is a wasteful number, since it uses less digits than its factorization.

1683913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188.

The product of its digits is 3888, while the sum is 31.

The square root of 1683913 is about 1297.6567342714. The cubic root of 1683913 is about 118.9706633895.

The spelling of 1683913 in words is "one million, six hundred eighty-three thousand, nine hundred thirteen".