1045836646 has 32 divisors (see below), whose sum is σ = 1710028800. Its totient is φ = 477887040.

The previous prime is 1045836641. The next prime is 1045836647. The reversal of 1045836646 is 6466385401.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045836641) 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 in 15 ways as a sum of consecutive naturals, for example, 421666 + ... + 424138.

It is an arithmetic number, because the mean of its divisors is an integer number (53438400).

Almost surely, 2^1045836646 is an apocalyptic number.

1045836646 is a deficient number, since it is larger than the sum of its proper divisors (664192154).

1045836646 is a wasteful number, since it uses less digits than its factorization.

1045836646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884.

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 1045836646 is about 32339.3977371255. The cubic root of 1045836646 is about 1015.0512066185.

The spelling of 1045836646 in words is "one billion, forty-five million, eight hundred thirty-six thousand, six hundred forty-six".