1036790644 has 6 divisors (see below), whose sum is σ = 1814383634. Its totient is φ = 518395320.

The previous prime is 1036790641. The next prime is 1036790663. The reversal of 1036790644 is 4460976301.

It can be written as a sum of positive squares in only one way, i.e., 776291044 + 260499600 = 27862^2 + 16140^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1036790597 and 1036790606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1036790641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129598827 + ... + 129598834.

Almost surely, 2^1036790644 is an apocalyptic number.

It is an amenable number.

1036790644 is a deficient number, since it is larger than the sum of its proper divisors (777592990).

1036790644 is a wasteful number, since it uses less digits than its factorization.

1036790644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259197665 (or 259197663 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 1036790644 is about 32199.2335933637. The cubic root of 1036790644 is about 1012.1161539255.

The spelling of 1036790644 in words is "one billion, thirty-six million, seven hundred ninety thousand, six hundred forty-four".