1046828789 has 4 divisors (see below), whose sum is σ = 1052309760. Its totient is φ = 1041347820.

The previous prime is 1046828779. The next prime is 1046828803. The reversal of 1046828789 is 9878286401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9878286401 = 24821 ⋅397981.

It is a cyclic number.

It is not a de Polignac number, because 1046828789 - 2¹² = 1046824693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1046828789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046828759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2740199 + ... + 2740580.

It is an arithmetic number, because the mean of its divisors is an integer number (263077440).

Almost surely, 2^1046828789 is an apocalyptic number.

It is an amenable number.

1046828789 is a deficient number, since it is larger than the sum of its proper divisors (5480971).

1046828789 is an equidigital number, since it uses as much as digits as its factorization.

1046828789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5480970.

The product of its (nonzero) digits is 1548288, while the sum is 53.

The square root of 1046828789 is about 32354.7336413082. The cubic root of 1046828789 is about 1015.3720845374.

The spelling of 1046828789 in words is "one billion, forty-six million, eight hundred twenty-eight thousand, seven hundred eighty-nine".