1028850286 has 4 divisors (see below), whose sum is σ = 1543275432. Its totient is φ = 514425142.

The previous prime is 1028850253. The next prime is 1028850299. The reversal of 1028850286 is 6820588201.

It is a happy number.

1028850286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1028850286² = 2117065822004563592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257212570 + ... + 257212573.

It is an arithmetic number, because the mean of its divisors is an integer number (385818858).

Almost surely, 2^1028850286 is an apocalyptic number.

1028850286 is a deficient number, since it is larger than the sum of its proper divisors (514425146).

1028850286 is an equidigital number, since it uses as much as digits as its factorization.

1028850286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514425145.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 1028850286 is about 32075.6961888593. The cubic root of 1028850286 is about 1009.5257342662.

The spelling of 1028850286 in words is "one billion, twenty-eight million, eight hundred fifty thousand, two hundred eighty-six".