1696838992 has 20 divisors (see below), whose sum is σ = 3288452596. Its totient is φ = 848206080.

The previous prime is 1696838959. The next prime is 1696839017. The reversal of 1696838992 is 2998386961.

It can be written as a sum of positive squares in 2 ways, for example, as 1380568336 + 316270656 = 37156^2 + 17784^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1696838992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66868 + ... + 88684.

Almost surely, 2^1696838992 is an apocalyptic number.

It is an amenable number.

1696838992 is a deficient number, since it is larger than the sum of its proper divisors (1591613604).

1696838992 is a wasteful number, since it uses less digits than its factorization.

1696838992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26686 (or 26680 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 61.

The square root of 1696838992 is about 41192.7055678551. The cubic root of 1696838992 is about 1192.7430055312.

The spelling of 1696838992 in words is "one billion, six hundred ninety-six million, eight hundred thirty-eight thousand, nine hundred ninety-two".