1048066889 has 4 divisors (see below), whose sum is σ = 1049687424. Its totient is φ = 1046446356.

The previous prime is 1048066883. The next prime is 1048066919. The reversal of 1048066889 is 9886608401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1048066889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1048066883) 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, 809297 + ... + 810590.

It is an arithmetic number, because the mean of its divisors is an integer number (262421856).

Almost surely, 2^1048066889 is an apocalyptic number.

It is an amenable number.

1048066889 is a deficient number, since it is larger than the sum of its proper divisors (1620535).

1048066889 is an equidigital number, since it uses as much as digits as its factorization.

1048066889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620534.

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 1048066889 is about 32373.8612000484. The cubic root of 1048066889 is about 1015.7722253904.

The spelling of 1048066889 in words is "one billion, forty-eight million, sixty-six thousand, eight hundred eighty-nine".