1028285583 has 16 divisors (see below), whose sum is σ = 1477098336. Its totient is φ = 632540160.

The previous prime is 1028285581. The next prime is 1028285591. The reversal of 1028285583 is 3855828201.

It is not a de Polignac number, because 1028285583 - 2¹ = 1028285581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028285581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162291 + ... + 168507.

It is an arithmetic number, because the mean of its divisors is an integer number (92318646).

Almost surely, 2^1028285583 is an apocalyptic number.

1028285583 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1028285583 is a deficient number, since it is larger than the sum of its proper divisors (448812753).

1028285583 is a wasteful number, since it uses less digits than its factorization.

1028285583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10474.

The product of its (nonzero) digits is 153600, while the sum is 42.

The square root of 1028285583 is about 32066.8923190259. The cubic root of 1028285583 is about 1009.3410016735.

The spelling of 1028285583 in words is "one billion, twenty-eight million, two hundred eighty-five thousand, five hundred eighty-three".