1046668889 has 8 divisors (see below), whose sum is σ = 1248201600. Its totient is φ = 858138336.

The previous prime is 1046668877. The next prime is 1046668901. The reversal of 1046668889 is 9888666401.

It is an interprime number because it is at equal distance from previous prime (1046668877) and next prime (1046668901).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1046668889 - 2²⁰ = 1045620313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1046667889) 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 7 ways as a sum of consecutive naturals, for example, 3250364 + ... + 3250685.

It is an arithmetic number, because the mean of its divisors is an integer number (156025200).

Almost surely, 2^1046668889 is an apocalyptic number.

It is an amenable number.

1046668889 is a deficient number, since it is larger than the sum of its proper divisors (201532711).

1046668889 is an equidigital number, since it uses as much as digits as its factorization.

1046668889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6501079.

The product of its (nonzero) digits is 3981312, while the sum is 56.

The square root of 1046668889 is about 32352.2625020260. The cubic root of 1046668889 is about 1015.3203835444.

The spelling of 1046668889 in words is "one billion, forty-six million, six hundred sixty-eight thousand, eight hundred eighty-nine".