1028486 has 4 divisors (see below), whose sum is σ = 1542732. Its totient is φ = 514242.

The previous prime is 1028479. The next prime is 1028509. The reversal of 1028486 is 6848201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6848201 = 1439 ⋅4759.

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 257120 + ... + 257123.

It is an arithmetic number, because the mean of its divisors is an integer number (385683).

2^1028486 is an apocalyptic number.

1028486 is a deficient number, since it is larger than the sum of its proper divisors (514246).

1028486 is an equidigital number, since it uses as much as digits as its factorization.

1028486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514245.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1028486 is about 1014.1429879460. The cubic root of 1028486 is about 100.9406572289.

The spelling of 1028486 in words is "one million, twenty-eight thousand, four hundred eighty-six".