1683693 has 16 divisors (see below), whose sum is σ = 2721600. Its totient is φ = 1020240.

The previous prime is 1683691. The next prime is 1683719. The reversal of 1683693 is 3963861.

It is a happy number.

It is not a de Polignac number, because 1683693 - 2¹ = 1683691 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1683691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2538 + ... + 3131.

It is an arithmetic number, because the mean of its divisors is an integer number (170100).

2^1683693 is an apocalyptic number.

It is an amenable number.

1683693 is a deficient number, since it is larger than the sum of its proper divisors (1037907).

1683693 is a wasteful number, since it uses less digits than its factorization.

1683693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5689 (or 5683 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 1683693 is about 1297.5719633223. The cubic root of 1683693 is about 118.9654820677.

The spelling of 1683693 in words is "one million, six hundred eighty-three thousand, six hundred ninety-three".