1028262894 has 16 divisors (see below), whose sum is σ = 2082558720. Its totient is φ = 338415480.

The previous prime is 1028262887. The next prime is 1028262923. The reversal of 1028262894 is 4982628201.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 1084192 + ... + 1085139.

It is an arithmetic number, because the mean of its divisors is an integer number (130159920).

Almost surely, 2^1028262894 is an apocalyptic number.

1028262894 is an abundant number, since it is smaller than the sum of its proper divisors (1054295826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1028262894 is a wasteful number, since it uses less digits than its factorization.

1028262894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169415.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 1028262894 is about 32066.5385409776. The cubic root of 1028262894 is about 1009.3335779556. Note that the first 3 decimals are identical.

The spelling of 1028262894 in words is "one billion, twenty-eight million, two hundred sixty-two thousand, eight hundred ninety-four".