1690335796 has 6 divisors (see below), whose sum is σ = 2958087650. Its totient is φ = 845167896.

The previous prime is 1690335767. The next prime is 1690335797. The reversal of 1690335796 is 6975330961.

It can be written as a sum of positive squares in only one way, i.e., 1586906896 + 103428900 = 39836^2 + 10170^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1690335797) 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 as a sum of consecutive naturals, namely, 211291971 + ... + 211291978.

Almost surely, 2^1690335796 is an apocalyptic number.

It is an amenable number.

1690335796 is a deficient number, since it is larger than the sum of its proper divisors (1267751854).

1690335796 is a wasteful number, since it uses less digits than its factorization.

1690335796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422583953 (or 422583951 counting only the distinct ones).

The product of its (nonzero) digits is 918540, while the sum is 49.

The square root of 1690335796 is about 41113.6935339067. The cubic root of 1690335796 is about 1191.2173113957.

The spelling of 1690335796 in words is "one billion, six hundred ninety million, three hundred thirty-five thousand, seven hundred ninety-six".