1000456646 has 16 divisors (see below), whose sum is σ = 1722629376. Its totient is φ = 426876936.

The previous prime is 1000456627. The next prime is 1000456649. The reversal of 1000456646 is 6466540001.

1000456646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000456649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154226 + ... + 160581.

It is an arithmetic number, because the mean of its divisors is an integer number (107664336).

Almost surely, 2^1000456646 is an apocalyptic number.

1000456646 is a deficient number, since it is larger than the sum of its proper divisors (722172730).

1000456646 is a wasteful number, since it uses less digits than its factorization.

1000456646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315043.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1000456646 is about 31629.9959848243. The cubic root of 1000456646 is about 1000.1521921697.

Adding to 1000456646 its reverse (6466540001), we get a palindrome (7466996647).

The spelling of 1000456646 in words is "one billion, four hundred fifty-six thousand, six hundred forty-six".