1028365947 has 24 divisors (see below), whose sum is σ = 1702692576. Its totient is φ = 585881856.

The previous prime is 1028365931. The next prime is 1028365957. The reversal of 1028365947 is 7495638201.

1028365947 is a `hidden beast` number, since 1 + 0 + 28 + 36 + 594 + 7 = 666.

1028365947 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1028365947 - 2⁴ = 1028365931 is a prime.

1028365947 is strictly pandigital in base 10.

It is not an unprimeable number, because it can be changed into a prime (1028365957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2988 + ... + 45449.

It is an arithmetic number, because the mean of its divisors is an integer number (70945524).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1028365947 = 2056731894, but 3⋅1028365947 = 3085097841 is not.

Almost surely, 2^1028365947 is an apocalyptic number.

1028365947 is a deficient number, since it is larger than the sum of its proper divisors (674326629).

1028365947 is a wasteful number, since it uses less digits than its factorization.

1028365947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48787 (or 48784 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1028365947 is about 32068.1453626492. The cubic root of 1028365947 is about 1009.3672954608.

The spelling of 1028365947 in words is "one billion, twenty-eight million, three hundred sixty-five thousand, nine hundred forty-seven".