1028794270 has 32 divisors (see below), whose sum is σ = 2240872128. Its totient is φ = 331980288.

The previous prime is 1028794259. The next prime is 1028794297. The reversal of 1028794270 is 724978201.

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 15 ways as a sum of consecutive naturals, for example, 431077 + ... + 433456.

It is an arithmetic number, because the mean of its divisors is an integer number (70027254).

Almost surely, 2^1028794270 is an apocalyptic number.

1028794270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1028794270 is an abundant number, since it is smaller than the sum of its proper divisors (1212077858).

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

1028794270 is a wasteful number, since it uses less digits than its factorization.

1028794270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864564.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 1028794270 is about 32074.8229924968. The cubic root of 1028794270 is about 1009.5074126436.

The spelling of 1028794270 in words is "one billion, twenty-eight million, seven hundred ninety-four thousand, two hundred seventy".