1028485 has 16 divisors (see below), whose sum is σ = 1315440. Its totient is φ = 770560.

The previous prime is 1028479. The next prime is 1028509. The reversal of 1028485 is 5848201.

It can be written as a sum of positive squares in 8 ways, for example, as 10404 + 1018081 = 102^2 + 1009^2 .

It is not a de Polignac number, because 1028485 - 2¹³ = 1020293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5859 + ... + 6031.

It is an arithmetic number, because the mean of its divisors is an integer number (82215).

2^1028485 is an apocalyptic number.

It is an amenable number.

1028485 is a deficient number, since it is larger than the sum of its proper divisors (286955).

1028485 is a wasteful number, since it uses less digits than its factorization.

1028485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1028485 is about 1014.1424949187. The cubic root of 1028485 is about 100.9406245139.

The spelling of 1028485 in words is "one million, twenty-eight thousand, four hundred eighty-five".