1028855514 has 16 divisors (see below), whose sum is σ = 2058073920. Its totient is φ = 342891360.

The previous prime is 1028855501. The next prime is 1028855543. The reversal of 1028855514 is 4155588201.

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, 34027 + ... + 56705.

It is an arithmetic number, because the mean of its divisors is an integer number (128629620).

Almost surely, 2^1028855514 is an apocalyptic number.

1028855514 is an abundant number, since it is smaller than the sum of its proper divisors (1029218406).

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

1028855514 is a wasteful number, since it uses less digits than its factorization.

1028855514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30245.

The product of its (nonzero) digits is 64000, while the sum is 39.

The square root of 1028855514 is about 32075.7776834795. Note that the first 3 decimals coincide. The cubic root of 1028855514 is about 1009.5274441981.

The spelling of 1028855514 in words is "one billion, twenty-eight million, eight hundred fifty-five thousand, five hundred fourteen".