1696664 has 16 divisors (see below), whose sum is σ = 3319920. Its totient is φ = 811360.

The previous prime is 1696657. The next prime is 1696691. The reversal of 1696664 is 4666961.

It is a plaindrome in base 15.

It is a zygodrome in base 2.

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, 4427 + ... + 4794.

It is an arithmetic number, because the mean of its divisors is an integer number (207495).

2^1696664 is an apocalyptic number.

It is an amenable number.

1696664 is a deficient number, since it is larger than the sum of its proper divisors (1623256).

1696664 is a wasteful number, since it uses less digits than its factorization.

1696664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9250 (or 9246 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 1696664 is about 1302.5605552142. The cubic root of 1696664 is about 119.2702002297.

The spelling of 1696664 in words is "one million, six hundred ninety-six thousand, six hundred sixty-four".