1028575854 has 64 divisors (see below), whose sum is σ = 2429179200. Its totient is φ = 322607232.

The previous prime is 1028575831. The next prime is 1028575903. The reversal of 1028575854 is 4585758201.

1028575854 is a `hidden beast` number, since 1 + 0 + 28 + 575 + 8 + 54 = 666.

It is a super-3 number, since 3×1028575854³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263364 + ... + 267240.

It is an arithmetic number, because the mean of its divisors is an integer number (37955925).

Almost surely, 2^1028575854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1028575854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1214589600).

1028575854 is an abundant number, since it is smaller than the sum of its proper divisors (1400603346).

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

1028575854 is an equidigital number, since it uses as much as digits as its factorization.

1028575854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939 (or 3899 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The square root of 1028575854 is about 32071.4180229063. The cubic root of 1028575854 is about 1009.4359671392.

The spelling of 1028575854 in words is "one billion, twenty-eight million, five hundred seventy-five thousand, eight hundred fifty-four".