1000344663 has 12 divisors (see below), whose sum is σ = 1475686368. Its totient is φ = 652706880.

The previous prime is 1000344643. The next prime is 1000344679. The reversal of 1000344663 is 3664430001.

It is not a de Polignac number, because 1000344663 - 2⁹ = 1000344151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000344643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1182018 + ... + 1182863.

It is an arithmetic number, because the mean of its divisors is an integer number (122973864).

Almost surely, 2^1000344663 is an apocalyptic number.

1000344663 is a deficient number, since it is larger than the sum of its proper divisors (475341705).

1000344663 is a wasteful number, since it uses less digits than its factorization.

1000344663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364934 (or 2364931 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 1000344663 is about 31628.2257327217. The cubic root of 1000344663 is about 1000.1148744700.

Adding to 1000344663 its reverse (3664430001), we get a palindrome (4664774664).

The spelling of 1000344663 in words is "one billion, three hundred forty-four thousand, six hundred sixty-three".