1044396863 has 4 divisors (see below), whose sum is σ = 1054737528. Its totient is φ = 1034056200.

The previous prime is 1044396841. The next prime is 1044396889. The reversal of 1044396863 is 3686934401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1044396863 - 2¹⁰ = 1044395839 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 (1044396833) 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 3 ways as a sum of consecutive naturals, for example, 5170181 + ... + 5170382.

It is an arithmetic number, because the mean of its divisors is an integer number (263684382).

Almost surely, 2^1044396863 is an apocalyptic number.

1044396863 is a deficient number, since it is larger than the sum of its proper divisors (10340665).

1044396863 is a wasteful number, since it uses less digits than its factorization.

1044396863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10340664.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 1044396863 is about 32317.1295600336. The cubic root of 1044396863 is about 1014.5851922742.

The spelling of 1044396863 in words is "one billion, forty-four million, three hundred ninety-six thousand, eight hundred sixty-three".