1679696 has 20 divisors (see below), whose sum is σ = 3309684. Its totient is φ = 825600.

The previous prime is 1679693. The next prime is 1679701. The reversal of 1679696 is 6969761.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 547600 + 1132096 = 740^2 + 1064^2 .

It is a d-powerful number, because it can be written as 1 + 6 + 7² + 9 + 6 + 9 + 6⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116 + ... + 1836.

2^1679696 is an apocalyptic number.

1679696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1679696 is a deficient number, since it is larger than the sum of its proper divisors (1629988).

1679696 is a wasteful number, since it uses less digits than its factorization.

1679696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790 (or 1784 counting only the distinct ones).

The product of its digits is 122472, while the sum is 44.

The square root of 1679696 is about 1296.0308638300. The cubic root of 1679696 is about 118.8712681772.

The spelling of 1679696 in words is "one million, six hundred seventy-nine thousand, six hundred ninety-six".