1693996 has 12 divisors (see below), whose sum is σ = 3093552. Its totient is φ = 810128.

The previous prime is 1693987. The next prime is 1694023. The reversal of 1693996 is 6993961.

It is a congruent number.

It is an unprimeable number.

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, 9115 + ... + 9298.

It is an arithmetic number, because the mean of its divisors is an integer number (257796).

2^1693996 is an apocalyptic number.

It is an amenable number.

1693996 is a deficient number, since it is larger than the sum of its proper divisors (1399556).

1693996 is a wasteful number, since it uses less digits than its factorization.

1693996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18440 (or 18438 counting only the distinct ones).

The product of its digits is 78732, while the sum is 43.

The square root of 1693996 is about 1301.5360156369. The cubic root of 1693996 is about 119.2076500653.

The spelling of 1693996 in words is "one million, six hundred ninety-three thousand, nine hundred ninety-six".