1696879397 has 8 divisors (see below), whose sum is σ = 1717969176. Its totient is φ = 1675916032.

The previous prime is 1696879357. The next prime is 1696879421. The reversal of 1696879397 is 7939786961.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1205547841 + 491331556 = 34721^2 + 22166^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1696879397 - 2¹⁴ = 1696863013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1696879337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4448 + ... + 58425.

It is an arithmetic number, because the mean of its divisors is an integer number (214746147).

Almost surely, 2^1696879397 is an apocalyptic number.

It is an amenable number.

1696879397 is a deficient number, since it is larger than the sum of its proper divisors (21089779).

1696879397 is a wasteful number, since it uses less digits than its factorization.

1696879397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63207.

The product of its digits is 30862944, while the sum is 65.

The square root of 1696879397 is about 41193.1960037092. The cubic root of 1696879397 is about 1192.7524726244.

The spelling of 1696879397 in words is "one billion, six hundred ninety-six million, eight hundred seventy-nine thousand, three hundred ninety-seven".