1000006456 has 16 divisors (see below), whose sum is σ = 1875562200. Its totient is φ = 499856544.

The previous prime is 1000006421. The next prime is 1000006457. The reversal of 1000006456 is 6546000001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000006457) 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, 13990 + ... + 46858.

Almost surely, 2^1000006456 is an apocalyptic number.

It is an amenable number.

1000006456 is a deficient number, since it is larger than the sum of its proper divisors (875555744).

1000006456 is a wasteful number, since it uses less digits than its factorization.

1000006456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36678 (or 36674 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1000006456 is about 31622.8786798419. The cubic root of 1000006456 is about 1000.0021519954.

Adding to 1000006456 its reverse (6546000001), we get a palindrome (7546006457).

The spelling of 1000006456 in words is "one billion, six thousand, four hundred fifty-six".