1028441479 has 4 divisors (see below), whose sum is σ = 1107552376. Its totient is φ = 949330584.

The previous prime is 1028441467. The next prime is 1028441501. The reversal of 1028441479 is 9741448201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1028441479 - 2¹¹ = 1028439431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028441419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39555429 + ... + 39555454.

It is an arithmetic number, because the mean of its divisors is an integer number (276888094).

Almost surely, 2^1028441479 is an apocalyptic number.

1028441479 is a deficient number, since it is larger than the sum of its proper divisors (79110897).

1028441479 is an equidigital number, since it uses as much as digits as its factorization.

1028441479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79110896.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 1028441479 is about 32069.3230206065. The cubic root of 1028441479 is about 1009.3920070479.

The spelling of 1028441479 in words is "one billion, twenty-eight million, four hundred forty-one thousand, four hundred seventy-nine".